Question

7x-3=28
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x-4 x-4

Answer 1

looks like you should try cross multiplication, are you sure thats an equal sign there?

Answer 2

\[\left(\begin{matrix}7 \\ x-4\end{matrix}\right)- 3 =\left(\begin{matrix}28 \\ x-4\end{matrix}\right)\]

Answer 3

okay, i got you

Answer 4

then the first thing we need to do is get a common denomianto for the left side, can you do that?

Answer 5

yeah i got