Asked by Celest
3/4q-7=8
*please also post a website
*please also post a website
Answers
Answered by
Ms. Sue
3/4q-7=8
First get the known quantities on one side. Add 7 to both sides.
3/4q -7 + 7 = 8 + 7
3/4q = 15
Divide both sides by 3/4
q = 15 / (3/4)
q = 15 * (4/3)
q = 60/3 = 20
~~~~~~~~~~~~~~~~~~~~~~~~~~
Proof:
[(3/4) * 20] -7 = 8
15 - 7 = 8
http://www.mathsisfun.com/algebra/equation-formula.html
First get the known quantities on one side. Add 7 to both sides.
3/4q -7 + 7 = 8 + 7
3/4q = 15
Divide both sides by 3/4
q = 15 / (3/4)
q = 15 * (4/3)
q = 60/3 = 20
~~~~~~~~~~~~~~~~~~~~~~~~~~
Proof:
[(3/4) * 20] -7 = 8
15 - 7 = 8
http://www.mathsisfun.com/algebra/equation-formula.html
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