3(7y+5)-21y=15

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


Simplifying
3(7y + 5) + -21y = 15

Reorder the terms:
3(5 + 7y) + -21y = 15
(5 * 3 + 7y * 3) + -21y = 15
(15 + 21y) + -21y = 15

Combine like terms: 21y + -21y = 0
15 + 0 = 15
15 = 15

Add '-15' to each side of the equation.
15 + -15 = 15 + -15

Combine like terms: 15 + -15 = 0
0 = 15 + -15

Combine like terms: 15 + -15 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

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

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