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5 votes
5x + 3(x + 4) = 7x +12 + x
+

User RredCat
by
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2 Answers

4 votes
3x+4-7x=12

We simplify the equation to the form, which is simple to understand
3x+4-7x=12

We move all terms containing x to the left and all other terms to the right.
+3x-7x=+12-4

We simplify left and right side of the equation.
-4x=+8

We divide both sides of the equation by -4 to get x.
x=-2
User Seanxiaoxiao
by
8.6k points
7 votes

Answer:

All real numbers are solutions.

Explanation:

5x + 3(x + 4) = 7x +12 + x

All real numbers are solutions.

User Matthias Mertens
by
9.1k points

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