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Simplifying -10x + 3 + 9x = -1x + -7 Reorder the terms: 3 + -10x + 9x = -1x + -7 Combine like terms: -10x + 9x = -1x 3 + -1x = -1x + -7 Reorder the terms: 3 + -1x = -7 + -1x Add 'x' to each side of the equation. 3 + -1x + x = -7 + -1x + x Combine like terms: -1x + x = 0 3 + 0 = -7 + -1x + x 3 = -7 + -1x + x Combine like terms: -1x + x = 0 3 = -7 + 0 3 = -7 Solving 3 = -7 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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