Solve for x, a
x=400
a=20
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5x=100\times 20
Consider the first equation. Insert the known values of variables into the equation.
5x=2000
Multiply 100 and 20 to get 2000.
x=\frac{2000}{5}
Divide both sides by 5.
x=400
Divide 2000 by 5 to get 400.
x=400 a=20
The system is now solved.
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