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Simplifying 9(10) + 2(-2) = -54 Multiply 9 * 10 90 + 2(-2) = -54 Multiply 2 * -2 90 + -4 = -54 Combine like terms: 90 + -4 = 86 86 = -54 Solving 86 = -54 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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