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Simplifying -7x + -6(x + -7) = 120 Reorder the terms: -7x + -6(-7 + x) = 120 -7x + (-7 * -6 + x * -6) = 120 -7x + (42 + -6x) = 120 Reorder the terms: 42 + -7x + -6x = 120 Combine like terms: -7x + -6x = -13x 42 + -13x = 120 Solving 42 + -13x = 120 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-42' to each side of the equation. 42 + -42 + -13x = 120 + -42 Combine like terms: 42 + -42 = 0 0 + -13x = 120 + -42 -13x = 120 + -42 Combine like terms: 120 + -42 = 78 -13x = 78 Divide each side by '-13'. x = -6 Simplifying x = -6
| 15-2x=-3x | | 2x-6x+3=-29 | | 4m+18+4m=20m-42-2m | | K(x)=2f(x) | | 11x^3+33x^2=0 | | 3n-15=2 | | 5x+b=9x+12 | | Y-10=y+10 | | 21x-2=91 | | 1=-4+-2.6y | | x^2-1296=0 | | 90=30+19x+3 | | 3(7-9x)-5(5x+1)=8(9x-4) | | 1=-4+-2.6 | | -7-6(x-7)=13 | | 3(6+2k)=3k | | 5b^2+b-4= | | 220.70=32.50x+3.30+5.90 | | 375=r*500 | | -1=-4+-2.6y | | 5x+2x+9=2(x-4) | | 3.1w+5=5.2w+2.9 | | 1+8x-4=9+2(4x)-9 | | 3x-10+12x-6=8x+13 | | 6x-10-2x-2=90 | | 3m+m+180+1.5m=455 | | 4y-10=y | | X-4-3x=3(n+2) | | 2=7-3*2 | | -0.2-0.44x=0.13 | | 1=4+-2.6y | | D=375*500 |