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Simplifying 70 + -5x = 13x + 20 Reorder the terms: 70 + -5x = 20 + 13x Solving 70 + -5x = 20 + 13x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13x' to each side of the equation. 70 + -5x + -13x = 20 + 13x + -13x Combine like terms: -5x + -13x = -18x 70 + -18x = 20 + 13x + -13x Combine like terms: 13x + -13x = 0 70 + -18x = 20 + 0 70 + -18x = 20 Add '-70' to each side of the equation. 70 + -70 + -18x = 20 + -70 Combine like terms: 70 + -70 = 0 0 + -18x = 20 + -70 -18x = 20 + -70 Combine like terms: 20 + -70 = -50 -18x = -50 Divide each side by '-18'. x = 2.777777778 Simplifying x = 2.777777778
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