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Simplifying -7.9 = -3.1 + x Solving -7.9 = -3.1 + x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. -7.9 + -1x = -3.1 + x + -1x Combine like terms: x + -1x = 0 -7.9 + -1x = -3.1 + 0 -7.9 + -1x = -3.1 Add '7.9' to each side of the equation. -7.9 + 7.9 + -1x = -3.1 + 7.9 Combine like terms: -7.9 + 7.9 = 0.0 0.0 + -1x = -3.1 + 7.9 -1x = -3.1 + 7.9 Combine like terms: -3.1 + 7.9 = 4.8 -1x = 4.8 Divide each side by '-1'. x = -4.8 Simplifying x = -4.8
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