3x-100+(x-10)+(x-10)=180

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Solution for 3x-100+(x-10)+(x-10)=180 equation:


Simplifying
3x + -100 + (x + -10) + (x + -10) = 180

Reorder the terms:
3x + -100 + (-10 + x) + (x + -10) = 180

Remove parenthesis around (-10 + x)
3x + -100 + -10 + x + (x + -10) = 180

Reorder the terms:
3x + -100 + -10 + x + (-10 + x) = 180

Remove parenthesis around (-10 + x)
3x + -100 + -10 + x + -10 + x = 180

Reorder the terms:
-100 + -10 + -10 + 3x + x + x = 180

Combine like terms: -100 + -10 = -110
-110 + -10 + 3x + x + x = 180

Combine like terms: -110 + -10 = -120
-120 + 3x + x + x = 180

Combine like terms: 3x + x = 4x
-120 + 4x + x = 180

Combine like terms: 4x + x = 5x
-120 + 5x = 180

Solving
-120 + 5x = 180

Solving for variable 'x'.

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

Add '120' to each side of the equation.
-120 + 120 + 5x = 180 + 120

Combine like terms: -120 + 120 = 0
0 + 5x = 180 + 120
5x = 180 + 120

Combine like terms: 180 + 120 = 300
5x = 300

Divide each side by '5'.
x = 60

Simplifying
x = 60

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