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Simplifying 10(-2.5) + 4 = 2(2) Multiply 10 * -2.5 -25 + 4 = 2(2) Combine like terms: -25 + 4 = -21 -21 = 2(2) Multiply 2 * 2 -21 = 4 Solving -21 = 4 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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