21x+15=3(7x+5)

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Solution for 21x+15=3(7x+5) equation:


21x+15=3(7x+5)

We simplify the equation to the form, which is simple to understand 
21x+15=3(7x+5)

Reorder the terms in parentheses
21x+15=+(+21x+15)

Remove unnecessary parentheses
+21x+15=+21x+15

We move all terms containing x to the left and all other terms to the right. 
+21x-21x=+15-15

We simplify left and right side of the equation. 
0x=0

0=0

This equation is an identity, so all real numbers are solutions.

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