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Simplifying -6x + -21 = -9x + 6 Reorder the terms: -21 + -6x = -9x + 6 Reorder the terms: -21 + -6x = 6 + -9x Solving -21 + -6x = 6 + -9x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9x' to each side of the equation. -21 + -6x + 9x = 6 + -9x + 9x Combine like terms: -6x + 9x = 3x -21 + 3x = 6 + -9x + 9x Combine like terms: -9x + 9x = 0 -21 + 3x = 6 + 0 -21 + 3x = 6 Add '21' to each side of the equation. -21 + 21 + 3x = 6 + 21 Combine like terms: -21 + 21 = 0 0 + 3x = 6 + 21 3x = 6 + 21 Combine like terms: 6 + 21 = 27 3x = 27 Divide each side by '3'. x = 9 Simplifying x = 9
| 3x-4=8x-1 | | 6(3x+3)-4(x+4)=5x+2 | | 46*f=100-f | | -6x-21=-9x | | -20=2y | | 2(x+3)=5(8-x)+1 | | 42=12+x | | 4y+6=2y+9 | | -2(2x-3)=(x+1)+10 | | 2-3x=69 | | 7k-12=9 | | 46x+7-7x-5= | | 4(5-4x)=164 | | 3x=71 | | 6/(5/2x) | | 6b-14=64 | | 6/5/2x | | -(3x-4y+z)=0 | | -20x^3-30x=0 | | 4(5x+3)=19 | | 4(h-8)=40 | | -0.2/0.7=-8-n | | 5/9(x-32)=11 | | -2(-5y+-1)=-38 | | 7x+30=142 | | -43=5x-2x-10 | | 8(c+5)=80 | | -96-(-74)=-22 | | 3(s-1)=2(s+3) | | -x+5=2(3x+1) | | 8(c-5)=80 | | 0.9/3.87 |