Solve for x
x=310.84
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65\times 4.31=x-30.69
Multiply both sides by 4.31.
280.15=x-30.69
Multiply 65 and 4.31 to get 280.15.
x-30.69=280.15
Swap sides so that all variable terms are on the left hand side.
x=280.15+30.69
Add 30.69 to both sides.
x=310.84
Add 280.15 and 30.69 to get 310.84.
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