Solve for x
x = \frac{37}{2} = 18\frac{1}{2} = 18.5
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42=1+4+x\times 2
Multiply 2 and 2 to get 4.
42=5+x\times 2
Add 1 and 4 to get 5.
5+x\times 2=42
Swap sides so that all variable terms are on the left hand side.
x\times 2=42-5
Subtract 5 from both sides.
x\times 2=37
Subtract 5 from 42 to get 37.
x=\frac{37}{2}
Divide both sides by 2.
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