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Simplifying -7 + 8x = 7x + -2(1 + 2x) -7 + 8x = 7x + (1 * -2 + 2x * -2) -7 + 8x = 7x + (-2 + -4x) Reorder the terms: -7 + 8x = -2 + 7x + -4x Combine like terms: 7x + -4x = 3x -7 + 8x = -2 + 3x Solving -7 + 8x = -2 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. -7 + 8x + -3x = -2 + 3x + -3x Combine like terms: 8x + -3x = 5x -7 + 5x = -2 + 3x + -3x Combine like terms: 3x + -3x = 0 -7 + 5x = -2 + 0 -7 + 5x = -2 Add '7' to each side of the equation. -7 + 7 + 5x = -2 + 7 Combine like terms: -7 + 7 = 0 0 + 5x = -2 + 7 5x = -2 + 7 Combine like terms: -2 + 7 = 5 5x = 5 Divide each side by '5'. x = 1 Simplifying x = 1
| 3/5=8/x+1 | | y-1-4=2 | | -16v=-6 | | 1.50d-30=12 | | (2r-3)/4=3/5 | | 40=y-8-13y | | 7a-9a=2a | | 5x^2-15x-35=0 | | 4(x+4)=x | | X-4=6x+16 | | 3x^2=1-7x | | 6(1+7x)=6x+6(7x-7) | | 7x-11-4x=7 | | 7-4=9X-10 | | 5y-10=8-3(y-2) | | (X+13)(x-7)=o | | -3.01-14.5= | | 7+4*3+8*(5*2)= | | -3n-2(2n+4)=-8n-3 | | 15-1.50=29.50 | | 4(2-4x)+5x=-16+x | | 122=-8x+2 | | b^3/a^3= | | 12p+2.50=50.50 | | f=-4.3(g+3.5)-2 | | -10x-13y=-11 | | (1/2)-(1/7)= | | 12.2+(-8.45)= | | -3x-39=-4+7(-5-5x) | | -2z-(4-2z)= | | 17/18 | | 16+2v-4=2v+10-2 |