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Simplifying -2(x + -42) + -9 = 7 Reorder the terms: -2(-42 + x) + -9 = 7 (-42 * -2 + x * -2) + -9 = 7 (84 + -2x) + -9 = 7 Reorder the terms: 84 + -9 + -2x = 7 Combine like terms: 84 + -9 = 75 75 + -2x = 7 Solving 75 + -2x = 7 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-75' to each side of the equation. 75 + -75 + -2x = 7 + -75 Combine like terms: 75 + -75 = 0 0 + -2x = 7 + -75 -2x = 7 + -75 Combine like terms: 7 + -75 = -68 -2x = -68 Divide each side by '-2'. x = 34 Simplifying x = 34
| -12r-10+-4r=-42 | | g(4)=2x^2-4 | | 9(v+2)-3v=2(3v+3)-10 | | 2x+3x=15-10 | | (2x+7)(3x+12)=0 | | (x-3-2i)(x-3+2i)(x+2)(x-1)= | | 9.6=6t | | 2(3x+5)=4x+6 | | -7(x+1)-14=18+3 | | 4x+55-3x+33=2 | | 2x+.25=2.5 | | -3(4-5p)= | | 6p(4-5p)= | | -.4(x+.4)=-.67(x-.67) | | 5x-16=7x+8 | | (x-(3-2i))(x-(3+2i))(x+2)(x-1)= | | 3s-4s=2 | | 4+6y+8=0 | | 3yz/yz | | x*8=14 | | -17x+0+68=0 | | 6(2t-3s)= | | 5n+25=4n+38 | | 7/8-1/4 | | (6p-3)(4-5p)= | | 4(9-4t)= | | f(x)=80x-0.4x^2 | | 3x^2+4x+3= | | 306=2l+2(67) | | 270=2(82)+2w | | 364=2l+2(86) | | T=350/13,500x13 |