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Simplifying 3(2x + -5) = 7(x + -21) Reorder the terms: 3(-5 + 2x) = 7(x + -21) (-5 * 3 + 2x * 3) = 7(x + -21) (-15 + 6x) = 7(x + -21) Reorder the terms: -15 + 6x = 7(-21 + x) -15 + 6x = (-21 * 7 + x * 7) -15 + 6x = (-147 + 7x) Solving -15 + 6x = -147 + 7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. -15 + 6x + -7x = -147 + 7x + -7x Combine like terms: 6x + -7x = -1x -15 + -1x = -147 + 7x + -7x Combine like terms: 7x + -7x = 0 -15 + -1x = -147 + 0 -15 + -1x = -147 Add '15' to each side of the equation. -15 + 15 + -1x = -147 + 15 Combine like terms: -15 + 15 = 0 0 + -1x = -147 + 15 -1x = -147 + 15 Combine like terms: -147 + 15 = -132 -1x = -132 Divide each side by '-1'. x = 132 Simplifying x = 132
| -17v+18v=17 | | ((4x+1)2)+((2x+7)2)=180 | | (m+3)(n+8)= | | 11-3x=22-14x | | 7w-10w=9 | | -0.8+3.6x=46 | | -19=2-7 | | 5+5x=10x | | 7x-3=85 | | -10p-9p+20p=-7 | | (4x+1)+((2x+7)2)=180 | | -3(1-n)+3(4n-4)=15 | | 15-5x=45-9x | | 3-7x=10x-14 | | 29=15-7a | | 4=18b | | -5x+-19x+9x+3x+13x=9 | | 8/5/-4/10 | | (4x+1)+(2x+7)=180 | | 24-4x=48 | | 4/2=x/100 | | -12k+4k+14k=-12 | | 4y+3y-4y-y=12 | | -4/5-4/5 | | 7/76=x/95 | | 11p+19q+p-5q-3p= | | -9=4x^2-12x | | 12x+108=y | | -2x+5(6x-2)=-66 | | -2+7x=-7x+40 | | 2+5.2k=18.43 | | a/3-5=9 |