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Simplifying 157 + -7x = 28x + 21 Reorder the terms: 157 + -7x = 21 + 28x Solving 157 + -7x = 21 + 28x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-28x' to each side of the equation. 157 + -7x + -28x = 21 + 28x + -28x Combine like terms: -7x + -28x = -35x 157 + -35x = 21 + 28x + -28x Combine like terms: 28x + -28x = 0 157 + -35x = 21 + 0 157 + -35x = 21 Add '-157' to each side of the equation. 157 + -157 + -35x = 21 + -157 Combine like terms: 157 + -157 = 0 0 + -35x = 21 + -157 -35x = 21 + -157 Combine like terms: 21 + -157 = -136 -35x = -136 Divide each side by '-35'. x = 3.885714286 Simplifying x = 3.885714286
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