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Simplifying x + x + -1 = 7 Reorder the terms: -1 + x + x = 7 Combine like terms: x + x = 2x -1 + 2x = 7 Solving -1 + 2x = 7 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + 2x = 7 + 1 Combine like terms: -1 + 1 = 0 0 + 2x = 7 + 1 2x = 7 + 1 Combine like terms: 7 + 1 = 8 2x = 8 Divide each side by '2'. x = 4 Simplifying x = 4
| -9-6d=-7d | | 8m-10=4m+6 | | 11a^2-9a+5=0 | | 3=5/1/2 | | 20=-7/2(x) | | 3-8f=-4f+10-3f | | 2x-7=5x-2 | | 9y-17=46 | | 10/5=x/4 | | -2n+2(7-8n)=-8n-6 | | 5(a-4)-6=46 | | X/5-16=-14 | | 61+6x+x=180 | | .75=.15/X | | 9p=8+5p | | 89*5= | | -5g-2=9g-2 | | l-62=937 | | .15+20=.25+5 | | (k-6)3=15 | | 5x-32=2x-5 | | lx+17l+10=70 | | 7x(2x+5)+3(2x+5)=0 | | 89+89= | | 7x+8=3x+-3 | | 16y-14=22+11y+8 | | 89*3= | | -8y-14=-5+4y | | -5v-4=3(v-4) | | 8.1-3.8h-5.6h=-7.2 | | 89*4= | | -8(8b+5)=-40+5b |