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Simplifying -42 + 20 = 2x + 13x Combine like terms: -42 + 20 = -22 -22 = 2x + 13x Combine like terms: 2x + 13x = 15x -22 = 15x Solving -22 = 15x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15x' to each side of the equation. -22 + -15x = 15x + -15x Combine like terms: 15x + -15x = 0 -22 + -15x = 0 Add '22' to each side of the equation. -22 + 22 + -15x = 0 + 22 Combine like terms: -22 + 22 = 0 0 + -15x = 0 + 22 -15x = 0 + 22 Combine like terms: 0 + 22 = 22 -15x = 22 Divide each side by '-15'. x = -1.466666667 Simplifying x = -1.466666667
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