leannaadrian leannaadrian

11-04-2018
Mathematics

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Can anyone help me with this. It asks to solve and check your answer.

Can anyone help me with this It asks to solve and check your answer class=

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Аноним Аноним

11-04-2018

4m -21 = 3(5m - 1)
4m - 21 = 15m - 3
15m - 4m = -21 + 3
11m = -18
m = -18/11

To check:
LHS → 4 (-18/11) -21 = - 303/11
RHS → 3( 5(-18/11) - 1) = -303/11
LHS = RHS (The answer is right)

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