Question Simplify the expression 15−2a Evaluate 345−2aSolution More Steps Evaluate 345Reduce the numbers 115Calculate 15 15−2a Show Solution Find the roots a=215Alternative Form a=7.5 Evaluate 345−2aTo find the roots of the expression,set the expression equal to 0 345−2a=0Divide the terms More Steps Evaluate 345Reduce the numbers 115Calculate 15 15−2a=0Move the constant to the right-hand side and change its sign −2a=0−15Removing 0 doesn't change the value,so remove it from the expression −2a=−15Change the signs on both sides of the equation 2a=15Divide both sides 22a=215Solution a=215Alternative Form a=7.5 Show Solution
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