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23 votes
23 votes
7)Solve the equation for x.3(2x– 12x) = 30

User BobV
by
2.8k points

1 Answer

20 votes
20 votes

x=-1

Step-by-step explanation


3(2x-12x)=30

Step 1

apply distributive property


\begin{gathered} 3(2x-12x)=30 \\ 6x-36x=30 \\ \\ \end{gathered}

Step 2

add similar terms


\begin{gathered} 6x-36x=30 \\ -30x=30 \end{gathered}

Step 3

divide each side by -30


\begin{gathered} -30x=30 \\ (-30x)/(-30)=(30)/(-30) \\ x=-1 \end{gathered}

so, the answer is x=-1

User Artur Kucaj
by
3.2k points