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Simplifying 28x + -4 = 2x + -21 Reorder the terms: -4 + 28x = 2x + -21 Reorder the terms: -4 + 28x = -21 + 2x Solving -4 + 28x = -21 + 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. -4 + 28x + -2x = -21 + 2x + -2x Combine like terms: 28x + -2x = 26x -4 + 26x = -21 + 2x + -2x Combine like terms: 2x + -2x = 0 -4 + 26x = -21 + 0 -4 + 26x = -21 Add '4' to each side of the equation. -4 + 4 + 26x = -21 + 4 Combine like terms: -4 + 4 = 0 0 + 26x = -21 + 4 26x = -21 + 4 Combine like terms: -21 + 4 = -17 26x = -17 Divide each side by '26'. x = -0.6538461538 Simplifying x = -0.6538461538
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