Solve for y, x
x=4
y = \frac{13}{7} = 1\frac{6}{7} \approx 1.857142857
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7y=3\times 4+1
Consider the first equation. Insert the known values of variables into the equation.
7y=12+1
Multiply 3 and 4 to get 12.
7y=13
Add 12 and 1 to get 13.
y=\frac{13}{7}
Divide both sides by 7.
y=\frac{13}{7} x=4
The system is now solved.
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