Question a−7=2a−21 Solve the equation a=14 Evaluate a−7=2a−21Move the expression to the left side a−7−2a=−21Move the expression to the right side a−2a=−21+7Add and subtract More Steps Evaluate a−2aCollect like terms by calculating the sum or difference of their coefficients (1−2)aSubtract the numbers −a −a=−21+7Add and subtract −a=−14Solution a=14 Show Solution Graph
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