Q. What value of a is a solution to this equation?a−7=4Choices:(A) a=10(B) a=11
Isolate 'a' in equation: Step 1: Start by isolating 'a' in the equation.Given equation: a−7=4.Add 7 to both sides to isolate 'a':a−7+7=4+7,a=11.
Check solution by substitution: Step 2: Check the solution by substituting a back into the original equation.Substitute a=11 into a−7=4:11−7=4,4=4, which is correct.
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