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Simplifying x + -7 = 2(x + -3) Reorder the terms: -7 + x = 2(x + -3) Reorder the terms: -7 + x = 2(-3 + x) -7 + x = (-3 * 2 + x * 2) -7 + x = (-6 + 2x) Solving -7 + x = -6 + 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. -7 + x + -2x = -6 + 2x + -2x Combine like terms: x + -2x = -1x -7 + -1x = -6 + 2x + -2x Combine like terms: 2x + -2x = 0 -7 + -1x = -6 + 0 -7 + -1x = -6 Add '7' to each side of the equation. -7 + 7 + -1x = -6 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = -6 + 7 -1x = -6 + 7 Combine like terms: -6 + 7 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1
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