A= 1/2(A+B) solve for B
Solve for B by simplifying both sides of the equation, then isolating the variable. So in this case B=A....
A = 1/2 (A + B)distribute the 1/2 into the parentheses A = 1/2A + 1/2B Subtract 1/2A from each sideA - 1/2A = 1/2B Combine like terms1/2A = 1/2B Isolate B by dividing each side by 1/21/2A ×2/1 = BMultiply2/2A = BA = B
