PLS HELP WILL MARK BRAINIESTTY

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Step-by-step explanation:

Notice that these two triangles are comprised of the same two lines. Because of this we can assume that

We can proceed from here.

The parentheses are unnecessary on the right side of the equation because there is nothing else on that side. Lets remove them

Now remember that we must do OPPOSITES. do the opposite on both sides. For example lets get rid of the 1. The opposite of 1 is negative 1. So subtract 1 from both sides. We get

now we are making progress.....

the opposite of 2 times x is 2 divided by x. Lets divide 2 from both sides.

SUCCESS!

5+2x=a

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