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Simplifying 7 + -1(3x) = 38 Remove parenthesis around (3x) 7 + -1 * 3x = 38 Multiply -1 * 3 7 + -3x = 38 Solving 7 + -3x = 38 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3x = 38 + -7 Combine like terms: 7 + -7 = 0 0 + -3x = 38 + -7 -3x = 38 + -7 Combine like terms: 38 + -7 = 31 -3x = 31 Divide each side by '-3'. x = -10.33333333 Simplifying x = -10.33333333
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