Solve for a, b, c
a=7
b=5
c=34
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c=2\times 7+4\times 5
Consider the third equation. Insert the known values of variables into the equation.
c=14+20
Do the multiplications.
c=34
Add 14 and 20 to get 34.
a=7 b=5 c=34
The system is now solved.
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