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Simplifying 21y + -8(2) = 6y + 1 + -10 Multiply -8 * 2 21y + -16 = 6y + 1 + -10 Reorder the terms: -16 + 21y = 6y + 1 + -10 Reorder the terms: -16 + 21y = 1 + -10 + 6y Combine like terms: 1 + -10 = -9 -16 + 21y = -9 + 6y Solving -16 + 21y = -9 + 6y Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-6y' to each side of the equation. -16 + 21y + -6y = -9 + 6y + -6y Combine like terms: 21y + -6y = 15y -16 + 15y = -9 + 6y + -6y Combine like terms: 6y + -6y = 0 -16 + 15y = -9 + 0 -16 + 15y = -9 Add '16' to each side of the equation. -16 + 16 + 15y = -9 + 16 Combine like terms: -16 + 16 = 0 0 + 15y = -9 + 16 15y = -9 + 16 Combine like terms: -9 + 16 = 7 15y = 7 Divide each side by '15'. y = 0.4666666667 Simplifying y = 0.4666666667
| 550.8816=2*3.14*r^2+2*3.14*r^2*16.1 | | .4x+5.2=3.8 | | 8x+9y=540 | | 2x-3-9x=14+x+1 | | 3x-4(4-2x)=4 | | 56b^2-17b-3= | | 4*e=17 | | 3x-16+8x=4 | | 24x^4-14x^2-3=0 | | 7x^2-5r-8=-8 | | -3x+3(-x-3)=81 | | e-14=8 | | -5(2x-7)+24=29 | | 7+x+3x=6x-1 | | 4x-2(-4x-5)=82 | | 3x^3-6x^2+8x+16=0 | | x+2x=3-x | | 81x^8-16t^8=9x^4+4t^4 | | 15.5=.7x-.5 | | 7x-5=-2x+25 | | 50p+15q= | | 9x(4+7)= | | 2x+6x+7x-9=3x-6-2x+9 | | (5)-(7)-(-6)= | | 2.4+x=16 | | (5)-(7)-(-6)= | | 2.4+x=16 | | 2.4+x=16 | | (5)-(7)-(-6)= | | (7c-3)(8c+5)=0 | | (7c-3)(8c+5)= | | 21=.7x |