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Simplifying -7x + 3 = -3(x + 3) + -4x + -7 Reorder the terms: 3 + -7x = -3(x + 3) + -4x + -7 Reorder the terms: 3 + -7x = -3(3 + x) + -4x + -7 3 + -7x = (3 * -3 + x * -3) + -4x + -7 3 + -7x = (-9 + -3x) + -4x + -7 Reorder the terms: 3 + -7x = -9 + -7 + -3x + -4x Combine like terms: -9 + -7 = -16 3 + -7x = -16 + -3x + -4x Combine like terms: -3x + -4x = -7x 3 + -7x = -16 + -7x Add '7x' to each side of the equation. 3 + -7x + 7x = -16 + -7x + 7x Combine like terms: -7x + 7x = 0 3 + 0 = -16 + -7x + 7x 3 = -16 + -7x + 7x Combine like terms: -7x + 7x = 0 3 = -16 + 0 3 = -16 Solving 3 = -16 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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