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Simplifying 77 + -1(3x + 15) = 3(x + 9) + x Reorder the terms: 77 + -1(15 + 3x) = 3(x + 9) + x 77 + (15 * -1 + 3x * -1) = 3(x + 9) + x 77 + (-15 + -3x) = 3(x + 9) + x Combine like terms: 77 + -15 = 62 62 + -3x = 3(x + 9) + x Reorder the terms: 62 + -3x = 3(9 + x) + x 62 + -3x = (9 * 3 + x * 3) + x 62 + -3x = (27 + 3x) + x Combine like terms: 3x + x = 4x 62 + -3x = 27 + 4x Solving 62 + -3x = 27 + 4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4x' to each side of the equation. 62 + -3x + -4x = 27 + 4x + -4x Combine like terms: -3x + -4x = -7x 62 + -7x = 27 + 4x + -4x Combine like terms: 4x + -4x = 0 62 + -7x = 27 + 0 62 + -7x = 27 Add '-62' to each side of the equation. 62 + -62 + -7x = 27 + -62 Combine like terms: 62 + -62 = 0 0 + -7x = 27 + -62 -7x = 27 + -62 Combine like terms: 27 + -62 = -35 -7x = -35 Divide each side by '-7'. x = 5 Simplifying x = 5
| fx=-x+5 | | (2x+5)(2x+7)-35=45 | | fx=x^2-2 | | a(2a+5)=882 | | (2x+5)(2x+7)=45 | | 5x-2(3x+4)=2(x+7) | | 2a+6-a^2=3-3a | | 13/u=5/11 | | 7x-4=5+2 | | (2x-3)(6x+13)=0 | | s+34=38 | | 5w^2=10w | | 4n-11=2+11 | | 4x+30=120 | | 5a+3=a^2 | | (5-2)x(10-5)= | | 2w-30=-3(w-5) | | (x+3)*(x-1)=(x+1)*(x-2)-2 | | 6x-2=5+4 | | 2(u+7)=-9u-8 | | -6u+12=-2(u-2) | | 3/8=×/15 | | 8x+3=5(9x-6) | | a^2+13=0 | | 4z/7-1=9 | | -b+9=4a+3 | | 5n-4=2n | | 5x=12x-77 | | 20y+20x=160 | | 6n-1=3n | | -10x-10=-10x+10 | | 20x+10y=160 |