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Simplifying (x + -15) + (x + -15) = (x + 7) Reorder the terms: (-15 + x) + (x + -15) = (x + 7) Remove parenthesis around (-15 + x) -15 + x + (x + -15) = (x + 7) Reorder the terms: -15 + x + (-15 + x) = (x + 7) Remove parenthesis around (-15 + x) -15 + x + -15 + x = (x + 7) Reorder the terms: -15 + -15 + x + x = (x + 7) Combine like terms: -15 + -15 = -30 -30 + x + x = (x + 7) Combine like terms: x + x = 2x -30 + 2x = (x + 7) Reorder the terms: -30 + 2x = (7 + x) Remove parenthesis around (7 + x) -30 + 2x = 7 + x Solving -30 + 2x = 7 + x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. -30 + 2x + -1x = 7 + x + -1x Combine like terms: 2x + -1x = 1x -30 + 1x = 7 + x + -1x Combine like terms: x + -1x = 0 -30 + 1x = 7 + 0 -30 + 1x = 7 Add '30' to each side of the equation. -30 + 30 + 1x = 7 + 30 Combine like terms: -30 + 30 = 0 0 + 1x = 7 + 30 1x = 7 + 30 Combine like terms: 7 + 30 = 37 1x = 37 Divide each side by '1'. x = 37 Simplifying x = 37
| 33/12•12/11 | | 37200= | | 9ln(4/3)-ln(4)=8ln(4)-9ln(3) | | -11x-5x=42 | | 4y+3=-12 | | 0.4q+3.2=7.6-0.7q | | (625)(25)=x | | 0.4q+3.2=7.6-0.7 | | 22(x+2)=24(x-2) | | 2z+16=180 | | 2x-25=23 | | 3=16x^2-46 | | 21=w/2-12 | | a=5+3n-1 | | 9xy/9xy | | 9(x+8)-3(7x-7)=19 | | -3+-5n+na=0 | | 9(4x-8)=3(12x+2) | | 20t+40-6t=10t-47+35 | | -(5x-2)+3x-8=-6 | | 21x^2-86x+80= | | 1a-6=8-(9+a) | | a=10+-12n-1 | | 7x-7y+5a= | | 8(3n+3)=7(9n+5)+8 | | 2w=90 | | Y^2+x=23 | | Y*2+x=23 | | 4.3-(-3.9)= | | 11y-5y+6=-33 | | 2.8+(-1.5)= | | C=285.7+100 |