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Making equation -0.4a + 3 = 7 a = ?
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Making equation -0.4a + 3 = 7 a = ?

User Michael Wyraz
by
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1 Answer

3 votes

-0.4a+3=7

Solve for a:

Subtract 3 from both sides:


\begin{gathered} -0.4a+3-3=7-3 \\ -0.4a=4 \end{gathered}

Divide both sides by -0.4:


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User Nitzan Shaked
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6.1k points
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