3x-17=180-(40+x+40)

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Solution for 3x-17=180-(40+x+40) equation:


Simplifying
3x + -17 = 180 + -1(40 + x + 40)

Reorder the terms:
-17 + 3x = 180 + -1(40 + x + 40)

Reorder the terms:
-17 + 3x = 180 + -1(40 + 40 + x)

Combine like terms: 40 + 40 = 80
-17 + 3x = 180 + -1(80 + x)
-17 + 3x = 180 + (80 * -1 + x * -1)
-17 + 3x = 180 + (-80 + -1x)

Combine like terms: 180 + -80 = 100
-17 + 3x = 100 + -1x

Solving
-17 + 3x = 100 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-17 + 3x + x = 100 + -1x + x

Combine like terms: 3x + x = 4x
-17 + 4x = 100 + -1x + x

Combine like terms: -1x + x = 0
-17 + 4x = 100 + 0
-17 + 4x = 100

Add '17' to each side of the equation.
-17 + 17 + 4x = 100 + 17

Combine like terms: -17 + 17 = 0
0 + 4x = 100 + 17
4x = 100 + 17

Combine like terms: 100 + 17 = 117
4x = 117

Divide each side by '4'.
x = 29.25

Simplifying
x = 29.25

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