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Simplifying 20 = -71 + 7x Solving 20 = -71 + 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. 20 + -7x = -71 + 7x + -7x Combine like terms: 7x + -7x = 0 20 + -7x = -71 + 0 20 + -7x = -71 Add '-20' to each side of the equation. 20 + -20 + -7x = -71 + -20 Combine like terms: 20 + -20 = 0 0 + -7x = -71 + -20 -7x = -71 + -20 Combine like terms: -71 + -20 = -91 -7x = -91 Divide each side by '-7'. x = 13 Simplifying x = 13
| 7x+4-6x=12 | | 4x-16=2x+16 | | -3(3-8j)= | | 3x-4+5x+7=4x+2-5x+10 | | 9.8z+2=3.8z+20 | | 91=21+10x | | 123x^3+216=0 | | 9.8z+2=5.8z | | 0.07*5= | | -5+18=m-1 | | 6(x+2)+7=2x+4(4+x) | | 5*0.07= | | 8d+9d+6d-4= | | 2(-5-7j)= | | 6x+29= | | 2x-9=3x+4 | | -4a-3a=-84 | | (5-4s)(5+4s)=0 | | 5x+3=7x+11 | | 50-2q=10+3q | | 3x^2-23xy+30y^2= | | -6y+14+4y=36 | | 104x+77-24x=47x+91-4 | | 6k-1+6k= | | (4x+3)(4x+3)=0 | | 3-(2+4x)=4+2(3x+1) | | 3x+9-7x=57 | | 10-x=2x+1 | | (-5d+1)(-2)= | | 4x^2+20=10x+3x^2-4 | | 8-3((0-12x)+2)= | | x+3x-6=22 |