3x+9+(4x+10)=180

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Solution for 3x+9+(4x+10)=180 equation:


Simplifying
3x + 9 + (4x + 10) = 180

Reorder the terms:
3x + 9 + (10 + 4x) = 180

Remove parenthesis around (10 + 4x)
3x + 9 + 10 + 4x = 180

Reorder the terms:
9 + 10 + 3x + 4x = 180

Combine like terms: 9 + 10 = 19
19 + 3x + 4x = 180

Combine like terms: 3x + 4x = 7x
19 + 7x = 180

Solving
19 + 7x = 180

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 7x = 180 + -19

Combine like terms: 19 + -19 = 0
0 + 7x = 180 + -19
7x = 180 + -19

Combine like terms: 180 + -19 = 161
7x = 161

Divide each side by '7'.
x = 23

Simplifying
x = 23

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