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Simplifying (67.38 + -3.63(1.16 + -0.71z) + -3.44z)(280.79) + 1020.12(1.16 + -0.71z) + 966.52z = 18920.62 (67.38 + (1.16 * -3.63 + -0.71z * -3.63) + -3.44z)(280.79) + 1020.12(1.16 + -0.71z) + 966.52z = 18920.62 (67.38 + (-4.2108 + 2.5773z) + -3.44z)(280.79) + 1020.12(1.16 + -0.71z) + 966.52z = 18920.62 Combine like terms: 67.38 + -4.2108 = 63.1692 (63.1692 + 2.5773z + -3.44z)(280.79) + 1020.12(1.16 + -0.71z) + 966.52z = 18920.62 Combine like terms: 2.5773z + -3.44z = -0.8627z (63.1692 + -0.8627z)(280.79) + 1020.12(1.16 + -0.71z) + 966.52z = 18920.62 Reorder the terms for easier multiplication: 280.79(63.1692 + -0.8627z) + 1020.12(1.16 + -0.71z) + 966.52z = 18920.62 (63.1692 * 280.79 + -0.8627z * 280.79) + 1020.12(1.16 + -0.71z) + 966.52z = 18920.62 (17737.27967 + -242.237533z) + 1020.12(1.16 + -0.71z) + 966.52z = 18920.62 17737.27967 + -242.237533z + (1.16 * 1020.12 + -0.71z * 1020.12) + 966.52z = 18920.62 17737.27967 + -242.237533z + (1183.3392 + -724.2852z) + 966.52z = 18920.62 Reorder the terms: 17737.27967 + 1183.3392 + -242.237533z + -724.2852z + 966.52z = 18920.62 Combine like terms: 17737.27967 + 1183.3392 = 18920.61887 18920.61887 + -242.237533z + -724.2852z + 966.52z = 18920.62 Combine like terms: -242.237533z + -724.2852z = -966.522733z 18920.61887 + -966.522733z + 966.52z = 18920.62 Combine like terms: -966.522733z + 966.52z = -0.002733z 18920.61887 + -0.002733z = 18920.62 Solving 18920.61887 + -0.002733z = 18920.62 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-18920.61887' to each side of the equation. 18920.61887 + -18920.61887 + -0.002733z = 18920.62 + -18920.61887 Combine like terms: 18920.61887 + -18920.61887 = 0.00000 0.00000 + -0.002733z = 18920.62 + -18920.61887 -0.002733z = 18920.62 + -18920.61887 Combine like terms: 18920.62 + -18920.61887 = 0.00113 -0.002733z = 0.00113 Divide each side by '-0.002733'. z = -0.4134650567 Simplifying z = -0.4134650567
| 4x^2+x-39=0 | | 12n-n+5n=what | | 7x+21=9x+3 | | Ln(x+2)=1 | | 0.85x+0.05(14-x)=0.10(-25) | | 12+2(x-4)=20-2x | | (67.38+-3.63y+-3.44z)(280.79)+1020.12y+966.52z=18920.62 | | 3u^2+2=-5 | | 7x-8=87 | | 6(4y+2)-9=-3 | | 3b-(-4b)= | | x^2=-19 | | 12y+15x=292.50 | | -3y-3=1-2y | | 2(t-3)+9=-7 | | 280.79x+1020.12y+966.52z=18920.62 | | M-5=3(M-5) | | 3x+1=7x-3 | | M-5=3M-5 | | (-12+-8x+x^2)=0 | | -5(3a-6)=0 | | 4+4(x+5)=40 | | -3/x=7 | | 50=-2x+10y | | 3x^2-24x-36=0 | | -3(4y-4)=-24 | | 4x+5p=18 | | 9x+15y=87 | | 2y^2+5y-18= | | 16=a/3 | | -75=5(4x+5) | | 21z^2+19z-2= |