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Simplifying 9x + -1(7x + 9) = (3x + -31) Reorder the terms: 9x + -1(9 + 7x) = (3x + -31) 9x + (9 * -1 + 7x * -1) = (3x + -31) 9x + (-9 + -7x) = (3x + -31) Reorder the terms: -9 + 9x + -7x = (3x + -31) Combine like terms: 9x + -7x = 2x -9 + 2x = (3x + -31) Reorder the terms: -9 + 2x = (-31 + 3x) Remove parenthesis around (-31 + 3x) -9 + 2x = -31 + 3x Solving -9 + 2x = -31 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. -9 + 2x + -3x = -31 + 3x + -3x Combine like terms: 2x + -3x = -1x -9 + -1x = -31 + 3x + -3x Combine like terms: 3x + -3x = 0 -9 + -1x = -31 + 0 -9 + -1x = -31 Add '9' to each side of the equation. -9 + 9 + -1x = -31 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = -31 + 9 -1x = -31 + 9 Combine like terms: -31 + 9 = -22 -1x = -22 Divide each side by '-1'. x = 22 Simplifying x = 22
| 10x+9=5z-8w | | Y^11/y^3 | | 7y-8x=-2 | | -6w(w+19)= | | 164=200+-1a | | 164=200+a | | a+5=6.1 | | x^4-96x^2-400=0 | | -16x^2-96x-400=0 | | x^4+96x^2-400=0 | | 3x/y=56 | | ln(x)+2x-4=0 | | (2*x)+(2*99)= | | 1086=6(6-16) | | 5w=18+3w | | 25x(x+5)= | | -0.015x^2+9.6x=1400 | | 1086=6(6+16) | | v^2-5v-36= | | 8y+2=3-6y | | (5x-7)(4x-1)=0 | | (2*1x)+(2*99)= | | 10x-1=2-9x | | 4x-2+4x-2+2x+6+2x+6=360 | | -28y(y-8)= | | 6+78x=39x+42 | | (3x+10)+(x+10)=120 | | 15(-42x+40)=159 | | 0=0.50x+9.75 | | y=0+9.75 | | x+3x+5x+7x=360 | | 2.8+6.2+X=19 |