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Simplifying 7 + 1x = 13 + -2x Solving 7 + 1x = 13 + -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 + 1x + 2x = 13 + -2x + 2x Combine like terms: 1x + 2x = 3x 7 + 3x = 13 + -2x + 2x Combine like terms: -2x + 2x = 0 7 + 3x = 13 + 0 7 + 3x = 13 Add '-7' to each side of the equation. 7 + -7 + 3x = 13 + -7 Combine like terms: 7 + -7 = 0 0 + 3x = 13 + -7 3x = 13 + -7 Combine like terms: 13 + -7 = 6 3x = 6 Divide each side by '3'. x = 2 Simplifying x = 2
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