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OpenStudy (anonymous):
remove the parentheses and simplify 4(2a-3b)+a-7
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OpenStudy (capture):
expand the brackets out then collect the lie terms ie 8a - 12b + a - 7
OpenStudy (anonymous):
why dont you add 8a and a to make it 9a?
OpenStudy (capture):
I just did the one step - remove the parenthesis
OpenStudy (anonymous):
so is 9a-12b-7 an acceptable answer?
OpenStudy (capture):
Just noticed my typo I meant to say collect like terms, seems like you've worked it out
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OpenStudy (capture):
Yup
OpenStudy (anonymous):
thank you
OpenStudy (capture):
You're welcome
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