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Simplifying 4(y + -7) = 2(2y + -7) Reorder the terms: 4(-7 + y) = 2(2y + -7) (-7 * 4 + y * 4) = 2(2y + -7) (-28 + 4y) = 2(2y + -7) Reorder the terms: -28 + 4y = 2(-7 + 2y) -28 + 4y = (-7 * 2 + 2y * 2) -28 + 4y = (-14 + 4y) Add '-4y' to each side of the equation. -28 + 4y + -4y = -14 + 4y + -4y Combine like terms: 4y + -4y = 0 -28 + 0 = -14 + 4y + -4y -28 = -14 + 4y + -4y Combine like terms: 4y + -4y = 0 -28 = -14 + 0 -28 = -14 Solving -28 = -14 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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