Solve for a 4a+1-a-8=1+a

Math
4a+1-a-8=1+a
Simplify 4a+1-a-8.
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Subtract a from 4a.
3a+1-8=1+a
Subtract 8 from 1.
3a-7=1+a
3a-7=1+a
Move all terms containing a to the left side of the equation.
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Subtract a from both sides of the equation.
3a-7-a=1
Subtract a from 3a.
2a-7=1
2a-7=1
Move all terms not containing a to the right side of the equation.
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Add 7 to both sides of the equation.
2a=1+7
Add 1 and 7.
2a=8
2a=8
Divide each term by 2 and simplify.
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Divide each term in 2a=8 by 2.
2a2=82
Cancel the common factor of 2.
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Cancel the common factor.
2a2=82
Divide a by 1.
a=82
a=82
Divide 8 by 2.
a=4
a=4
Solve for a 4a+1-a-8=1+a

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