Solve for x_1
x_{1}=38-x_{2}
Solve for x_2
x_{2}=38-x_{1}
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x_{1}+x_{2}=38
Combine 4x_{1} and -3x_{1} to get x_{1}.
x_{1}=38-x_{2}
Subtract x_{2} from both sides.
x_{1}+x_{2}=38
Combine 4x_{1} and -3x_{1} to get x_{1}.
x_{2}=38-x_{1}
Subtract x_{1} from both sides.
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