3(7x+6)=21x+18

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Solution for 3(7x+6)=21x+18 equation:


Simplifying
3(7x + 6) = 21x + 18

Reorder the terms:
3(6 + 7x) = 21x + 18
(6 * 3 + 7x * 3) = 21x + 18
(18 + 21x) = 21x + 18

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

Add '-18' to each side of the equation.
18 + -18 + 21x = 18 + -18 + 21x

Combine like terms: 18 + -18 = 0
0 + 21x = 18 + -18 + 21x
21x = 18 + -18 + 21x

Combine like terms: 18 + -18 = 0
21x = 0 + 21x
21x = 21x

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

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

Combine like terms: 21x + -21x = 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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