21x+6+21x+6=180

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Solution for 21x+6+21x+6=180 equation:


Simplifying
21x + 6 + 21x + 6 = 180

Reorder the terms:
6 + 6 + 21x + 21x = 180

Combine like terms: 6 + 6 = 12
12 + 21x + 21x = 180

Combine like terms: 21x + 21x = 42x
12 + 42x = 180

Solving
12 + 42x = 180

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-12' to each side of the equation.
12 + -12 + 42x = 180 + -12

Combine like terms: 12 + -12 = 0
0 + 42x = 180 + -12
42x = 180 + -12

Combine like terms: 180 + -12 = 168
42x = 168

Divide each side by '42'.
x = 4

Simplifying
x = 4

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