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Simplifying 9x + 9 = 7x + 31 Reorder the terms: 9 + 9x = 7x + 31 Reorder the terms: 9 + 9x = 31 + 7x Solving 9 + 9x = 31 + 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. 9 + 9x + -7x = 31 + 7x + -7x Combine like terms: 9x + -7x = 2x 9 + 2x = 31 + 7x + -7x Combine like terms: 7x + -7x = 0 9 + 2x = 31 + 0 9 + 2x = 31 Add '-9' to each side of the equation. 9 + -9 + 2x = 31 + -9 Combine like terms: 9 + -9 = 0 0 + 2x = 31 + -9 2x = 31 + -9 Combine like terms: 31 + -9 = 22 2x = 22 Divide each side by '2'. x = 11 Simplifying x = 11
| (5x)(-15)(-3y)= | | 180-9x=180 | | 4.9y+2.54=-15.10 | | 14=8x-2 | | 4x-30+2x-14=180 | | 3.50p+5.50p+6=51 | | 7(x+1)-4x=-3(-x-2)+1 | | x+3x+(x+10)=633 | | 2(x^3-5x^2+11x)-45=2x^3-5(2x^2+4x)+165 | | 12=0.5x | | -3y+0.5=0.71 | | 4(x+8)=2(x-4) | | x-2=6+5 | | 3.50p+5.50+6=51 | | 32-34x+2=12+30x | | x(15-3x)=65 | | -2.6t=-95.16 | | -36-6m=6(8-8m) | | 3x+17x=80 | | 12=1/2 | | -11=w-1 | | (t)=1.25(5)+200 | | 18a^4-33a^3+14a^2= | | 2x-10+3x-40=180 | | 0.7t=-105 | | -2(b+2)=-14 | | -3(7-11)= | | 35=-16+2x | | 3.72=12s | | 36+4(x+2x^2)=2(8x+4x^2) | | 7=r-0.007 | | 15=11-8x |