(15)t+(21-12)=15t+9

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Solution for (15)t+(21-12)=15t+9 equation: 


Simplifying
(15) * t + (21 + -12) = 15t + 9

Combine like terms: 21 + -12 = 9
15t + (9) = 15t + 9
15t + 9 = 15t + 9

Reorder the terms:
9 + 15t = 15t + 9

Reorder the terms:
9 + 15t = 9 + 15t

Add '-9' to each side of the equation.
9 + -9 + 15t = 9 + -9 + 15t

Combine like terms: 9 + -9 = 0
0 + 15t = 9 + -9 + 15t
15t = 9 + -9 + 15t

Combine like terms: 9 + -9 = 0
15t = 0 + 15t
15t = 15t

Add '-15t' to each side of the equation.
15t + -15t = 15t + -15t

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

Combine like terms: 15t + -15t = 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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