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Simplifying 42 + -13x = 12x + -2.5 Reorder the terms: 42 + -13x = -2.5 + 12x Solving 42 + -13x = -2.5 + 12x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12x' to each side of the equation. 42 + -13x + -12x = -2.5 + 12x + -12x Combine like terms: -13x + -12x = -25x 42 + -25x = -2.5 + 12x + -12x Combine like terms: 12x + -12x = 0 42 + -25x = -2.5 + 0 42 + -25x = -2.5 Add '-42' to each side of the equation. 42 + -42 + -25x = -2.5 + -42 Combine like terms: 42 + -42 = 0 0 + -25x = -2.5 + -42 -25x = -2.5 + -42 Combine like terms: -2.5 + -42 = -44.5 -25x = -44.5 Divide each side by '-25'. x = 1.78 Simplifying x = 1.78
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