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Simplifying 4 + -1(6x + 15) = 7 + -2(3x + 4) Reorder the terms: 4 + -1(15 + 6x) = 7 + -2(3x + 4) 4 + (15 * -1 + 6x * -1) = 7 + -2(3x + 4) 4 + (-15 + -6x) = 7 + -2(3x + 4) Combine like terms: 4 + -15 = -11 -11 + -6x = 7 + -2(3x + 4) Reorder the terms: -11 + -6x = 7 + -2(4 + 3x) -11 + -6x = 7 + (4 * -2 + 3x * -2) -11 + -6x = 7 + (-8 + -6x) Combine like terms: 7 + -8 = -1 -11 + -6x = -1 + -6x Add '6x' to each side of the equation. -11 + -6x + 6x = -1 + -6x + 6x Combine like terms: -6x + 6x = 0 -11 + 0 = -1 + -6x + 6x -11 = -1 + -6x + 6x Combine like terms: -6x + 6x = 0 -11 = -1 + 0 -11 = -1 Solving -11 = -1 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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