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Simplifying 7(8z + 2) = 8(7z + -7) Reorder the terms: 7(2 + 8z) = 8(7z + -7) (2 * 7 + 8z * 7) = 8(7z + -7) (14 + 56z) = 8(7z + -7) Reorder the terms: 14 + 56z = 8(-7 + 7z) 14 + 56z = (-7 * 8 + 7z * 8) 14 + 56z = (-56 + 56z) Add '-56z' to each side of the equation. 14 + 56z + -56z = -56 + 56z + -56z Combine like terms: 56z + -56z = 0 14 + 0 = -56 + 56z + -56z 14 = -56 + 56z + -56z Combine like terms: 56z + -56z = 0 14 = -56 + 0 14 = -56 Solving 14 = -56 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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