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Simplifying 7(x + x) = 5 + -2(7x + 6) Combine like terms: x + x = 2x 7(2x) = 5 + -2(7x + 6) Remove parenthesis around (2x) 7 * 2x = 5 + -2(7x + 6) Multiply 7 * 2 14x = 5 + -2(7x + 6) Reorder the terms: 14x = 5 + -2(6 + 7x) 14x = 5 + (6 * -2 + 7x * -2) 14x = 5 + (-12 + -14x) Combine like terms: 5 + -12 = -7 14x = -7 + -14x Solving 14x = -7 + -14x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14x' to each side of the equation. 14x + 14x = -7 + -14x + 14x Combine like terms: 14x + 14x = 28x 28x = -7 + -14x + 14x Combine like terms: -14x + 14x = 0 28x = -7 + 0 28x = -7 Divide each side by '28'. x = -0.25 Simplifying x = -0.25
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