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Simplifying 7.5 = 30 + -2.5x * 4.5 Reorder the terms for easier multiplication: 7.5 = 30 + -2.5 * 4.5x Multiply -2.5 * 4.5 7.5 = 30 + -11.25x Solving 7.5 = 30 + -11.25x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.25x' to each side of the equation. 7.5 + 11.25x = 30 + -11.25x + 11.25x Combine like terms: -11.25x + 11.25x = 0.00 7.5 + 11.25x = 30 + 0.00 7.5 + 11.25x = 30 Add '-7.5' to each side of the equation. 7.5 + -7.5 + 11.25x = 30 + -7.5 Combine like terms: 7.5 + -7.5 = 0.0 0.0 + 11.25x = 30 + -7.5 11.25x = 30 + -7.5 Combine like terms: 30 + -7.5 = 22.5 11.25x = 22.5 Divide each side by '11.25'. x = 2 Simplifying x = 2
| 3x^5+3x^4-15x^3+18x^2= | | 3s+10-5s=-3 | | 4sin^2(2t)+4cos^2(2t)= | | 4p=-3p+28 | | 15y+1=y-7 | | x=1448+-0.75y | | 3(4.6+4)=18 | | 1/2x-1/8-6 | | 2x+3y+3z=10 | | 8640/60 | | 2(4x-6)=12+12x | | x^4+8x^3+200=0 | | 7.5=30-4x*4.5 | | 1/2x-1/8-6=3/4x-1/8-4 | | S+12.5= | | x+3y=-y | | 7.5=30-4*4.5 | | 3x-2y-3z=-1 | | 2b+22=b-4 | | -0.4x+1.4y=0 | | 1+0.80x=2+0.75 | | 4-8x/4=x/2 | | 10x-6x=14 | | 1.62g-8=0.91 | | 8x-11(x-2)1=-8 | | y/5-5=2 | | 9x-7y=-43 | | 2x+5y+2z=5 | | -4(x+5)+3=2(x-3)-8x | | y/5-5=3 | | 10(x-5)=8 | | 8+3=16106 |