4x+21+6x-3=180

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Solution for 4x+21+6x-3=180 equation:


Simplifying
4x + 21 + 6x + -3 = 180

Reorder the terms:
21 + -3 + 4x + 6x = 180

Combine like terms: 21 + -3 = 18
18 + 4x + 6x = 180

Combine like terms: 4x + 6x = 10x
18 + 10x = 180

Solving
18 + 10x = 180

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 10x = 180 + -18

Combine like terms: 18 + -18 = 0
0 + 10x = 180 + -18
10x = 180 + -18

Combine like terms: 180 + -18 = 162
10x = 162

Divide each side by '10'.
x = 16.2

Simplifying
x = 16.2

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