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Simplifying 42 + -7x = 2x Solving 42 + -7x = 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. 42 + -7x + -2x = 2x + -2x Combine like terms: -7x + -2x = -9x 42 + -9x = 2x + -2x Combine like terms: 2x + -2x = 0 42 + -9x = 0 Add '-42' to each side of the equation. 42 + -42 + -9x = 0 + -42 Combine like terms: 42 + -42 = 0 0 + -9x = 0 + -42 -9x = 0 + -42 Combine like terms: 0 + -42 = -42 -9x = -42 Divide each side by '-9'. x = 4.666666667 Simplifying x = 4.666666667
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