-3(3+4)+15=6-4(3)

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Solution for -3(3+4)+15=6-4(3) equation:


-3(3+4)+15=6-4(3)

We simplify the equation to the form, which is simple to understand 
-3(3+4)+15=6-4(3)

Reorder the terms in parentheses
+(-21)+15=6-4*(3)

Remove unnecessary parentheses
-21+15=+6-4+*(+3+)

Reorder the terms in parentheses
-21+15=6+(-12)

Remove unnecessary parentheses
-21+15=+6-12

We move all terms containing  to the left and all other terms to the right. 
0=+6-12+21-15

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

0=0

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

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