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Simplifying 13 + -4x = 1 + -7x Solving 13 + -4x = 1 + -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. 13 + -4x + 7x = 1 + -7x + 7x Combine like terms: -4x + 7x = 3x 13 + 3x = 1 + -7x + 7x Combine like terms: -7x + 7x = 0 13 + 3x = 1 + 0 13 + 3x = 1 Add '-13' to each side of the equation. 13 + -13 + 3x = 1 + -13 Combine like terms: 13 + -13 = 0 0 + 3x = 1 + -13 3x = 1 + -13 Combine like terms: 1 + -13 = -12 3x = -12 Divide each side by '3'. x = -4 Simplifying x = -4
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