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Simplifying -7 * 0 = -2 + -7x Multiply -7 * 0 0 = -2 + -7x Anything times zero is zero. 0 = -2 + -7x Solving 0 = -2 + -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. 0 + 7x = -2 + -7x + 7x Remove the zero: 7x = -2 + -7x + 7x Combine like terms: -7x + 7x = 0 7x = -2 + 0 7x = -2 Divide each side by '7'. x = -0.2857142857 Simplifying x = -0.2857142857
| 8z-3=2z+21 | | x-138=126 | | x+138=126 | | 5x+7=-33-5x | | x(138-x)=126 | | 5+8p=83 | | x+25=163 | | x-37=101 | | 4000=60000/t-11 | | x(-37)=101 | | x-37=126 | | x+25=126 | | 14x-2(-2+-7x)=4 | | x(64+x)=126 | | 2.5+14y=-3.1 | | 64-x=126 | | 3x+8=32-2x | | 62+x=126 | | 25+x+37-x=126 | | 61=-26y+22 | | 25(x+25)+37-x=126 | | 25(x+25)+(37-x)=126 | | -83=-12y-35 | | x+25(x+37)=126 | | x+25(-37)=126 | | 81-3x=-57 | | 5t+2=-5t+42 | | m=(400-1400)/(12-2) | | 55-5x=40 | | 15*x+0.25*y+1*z=100 | | (25+x)+(x-37)=126 | | x(25+x)+(x-37)=126 |