180-(2x+10)=180-(4x-20)

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Solution for 180-(2x+10)=180-(4x-20) equation:


Simplifying
180 + -1(2x + 10) = 180 + -1(4x + -20)

Reorder the terms:
180 + -1(10 + 2x) = 180 + -1(4x + -20)
180 + (10 * -1 + 2x * -1) = 180 + -1(4x + -20)
180 + (-10 + -2x) = 180 + -1(4x + -20)

Combine like terms: 180 + -10 = 170
170 + -2x = 180 + -1(4x + -20)

Reorder the terms:
170 + -2x = 180 + -1(-20 + 4x)
170 + -2x = 180 + (-20 * -1 + 4x * -1)
170 + -2x = 180 + (20 + -4x)

Combine like terms: 180 + 20 = 200
170 + -2x = 200 + -4x

Solving
170 + -2x = 200 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
170 + -2x + 4x = 200 + -4x + 4x

Combine like terms: -2x + 4x = 2x
170 + 2x = 200 + -4x + 4x

Combine like terms: -4x + 4x = 0
170 + 2x = 200 + 0
170 + 2x = 200

Add '-170' to each side of the equation.
170 + -170 + 2x = 200 + -170

Combine like terms: 170 + -170 = 0
0 + 2x = 200 + -170
2x = 200 + -170

Combine like terms: 200 + -170 = 30
2x = 30

Divide each side by '2'.
x = 15

Simplifying
x = 15

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