Solve for a 10a-20=4a+80

Math
10a-20=4a+80
Move all terms containing a to the left side of the equation.
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Subtract 4a from both sides of the equation.
10a-20-4a=80
Subtract 4a from 10a.
6a-20=80
6a-20=80
Move all terms not containing a to the right side of the equation.
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Add 20 to both sides of the equation.
6a=80+20
Add 80 and 20.
6a=100
6a=100
Divide each term by 6 and simplify.
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Divide each term in 6a=100 by 6.
6a6=1006
Cancel the common factor of 6.
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Cancel the common factor.
6a6=1006
Divide a by 1.
a=1006
a=1006
Cancel the common factor of 100 and 6.
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Factor 2 out of 100.
a=2(50)6
Cancel the common factors.
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Factor 2 out of 6.
a=2⋅502⋅3
Cancel the common factor.
a=2⋅502⋅3
Rewrite the expression.
a=503
a=503
a=503
a=503
The result can be shown in multiple forms.
Exact Form:
a=503
Decimal Form:
a=16.6‾
Mixed Number Form:
a=1623
Solve for a 10a-20=4a+80

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