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Simplifying 4x + -21(x + 2) = -4(6x + 5) Reorder the terms: 4x + -21(2 + x) = -4(6x + 5) 4x + (2 * -21 + x * -21) = -4(6x + 5) 4x + (-42 + -21x) = -4(6x + 5) Reorder the terms: -42 + 4x + -21x = -4(6x + 5) Combine like terms: 4x + -21x = -17x -42 + -17x = -4(6x + 5) Reorder the terms: -42 + -17x = -4(5 + 6x) -42 + -17x = (5 * -4 + 6x * -4) -42 + -17x = (-20 + -24x) Solving -42 + -17x = -20 + -24x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '24x' to each side of the equation. -42 + -17x + 24x = -20 + -24x + 24x Combine like terms: -17x + 24x = 7x -42 + 7x = -20 + -24x + 24x Combine like terms: -24x + 24x = 0 -42 + 7x = -20 + 0 -42 + 7x = -20 Add '42' to each side of the equation. -42 + 42 + 7x = -20 + 42 Combine like terms: -42 + 42 = 0 0 + 7x = -20 + 42 7x = -20 + 42 Combine like terms: -20 + 42 = 22 7x = 22 Divide each side by '7'. x = 3.142857143 Simplifying x = 3.142857143
| 157-3b+5a+40= | | -10s+4h=2h+10 | | 7-2=3k | | 3x*x*2x=2058 | | 9x+2(-4x-1)=-8 | | 2x^2+4x+4=999996 | | (2x+36-40)=28 | | -7x+(-8x)=-120 | | 3n+4=1.7 | | -2+7(1+8h)=29 | | x^2+x=5.25 | | 4(3x+2)=-3(4x-3)+5x | | 9m=50 | | 2x+1+108=180 | | -3(10x)+8y=-154 | | 17-2d=-6(5d+9) | | -3(10)+8y=-154 | | 9b^2+10b+11=0 | | -5/7y=20 | | (2x+4)+2=9 | | -3x+8(10x)=-154 | | -3x+8(10)=-154 | | 9b^2+10b+1=-10 | | (2x-4)+2=9 | | 3(-8y)+6y=126 | | 81+48+x=180 | | 2x^2+4x-999996=0 | | -5(-4x+7)-5x=8x+2(x+5) | | -48=8v-8 | | 3x+6(-8y)=126 | | x+72+33=180 | | m=20+5x |