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Myriam Morissette

Lvl 10
3y ago
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Wiki User

12y ago

7a-b=15a Subtract 7a from both sides

-7a -7a

-b=8a

-b/8=8a/8 Divide each side by 8

-b/8=a Solve

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Q: How do you solve 7a-b equals 15a and solve for a?
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