3(5x+6)+3=15x+21

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Solution for 3(5x+6)+3=15x+21 equation:


Simplifying
3(5x + 6) + 3 = 15x + 21

Reorder the terms:
3(6 + 5x) + 3 = 15x + 21
(6 * 3 + 5x * 3) + 3 = 15x + 21
(18 + 15x) + 3 = 15x + 21

Reorder the terms:
18 + 3 + 15x = 15x + 21

Combine like terms: 18 + 3 = 21
21 + 15x = 15x + 21

Reorder the terms:
21 + 15x = 21 + 15x

Add '-21' to each side of the equation.
21 + -21 + 15x = 21 + -21 + 15x

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

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

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

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

Combine like terms: 15x + -15x = 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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