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Simplifying -2x + -7 = x + 20 Reorder the terms: -7 + -2x = x + 20 Reorder the terms: -7 + -2x = 20 + x Solving -7 + -2x = 20 + 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. -7 + -2x + -1x = 20 + x + -1x Combine like terms: -2x + -1x = -3x -7 + -3x = 20 + x + -1x Combine like terms: x + -1x = 0 -7 + -3x = 20 + 0 -7 + -3x = 20 Add '7' to each side of the equation. -7 + 7 + -3x = 20 + 7 Combine like terms: -7 + 7 = 0 0 + -3x = 20 + 7 -3x = 20 + 7 Combine like terms: 20 + 7 = 27 -3x = 27 Divide each side by '-3'. x = -9 Simplifying x = -9
| 14-10x=116-31x | | 12x^3+8x^2+x+4by4x | | 14x-1= | | 3n=-6 | | 0.5-1.2=x-0.3 | | m^2-14m=72 | | 9.95 | | 20=4(x+5)-4x | | x^2-19x+29=-8x+5 | | –2x–7=x+20 | | 0.5-1.2=x-0 | | 3n-6 | | -118-8=9x+18 | | prt=p | | 3a-5a-8a-9y= | | 3-4x=5-4x | | 5(2v-3)=-4(2v-3) | | z-7-5=-3 | | 6-6x=1-2x-3 | | 5r^2-320=0 | | 3-4b=5-4b | | 4a-15= | | 6x+33=15x-.75 | | -9-4x=12-7 | | (1+2i)z=5 | | N=2(3b+2g) | | yields | | 3-4b+5-4b | | 11x+3=27+8x | | P+8=p+4 | | 8r^3+32r^2=96r | | 6x+33=15x+75 |