3x+x+y+90=360

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Solution for 3x+x+y+90=360 equation:


Simplifying
3x + x + y + 90 = 360

Reorder the terms:
90 + 3x + x + y = 360

Combine like terms: 3x + x = 4x
90 + 4x + y = 360

Solving
90 + 4x + y = 360

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + 4x + -90 + y = 360 + -90

Reorder the terms:
90 + -90 + 4x + y = 360 + -90

Combine like terms: 90 + -90 = 0
0 + 4x + y = 360 + -90
4x + y = 360 + -90

Combine like terms: 360 + -90 = 270
4x + y = 270

Add '-1y' to each side of the equation.
4x + y + -1y = 270 + -1y

Combine like terms: y + -1y = 0
4x + 0 = 270 + -1y
4x = 270 + -1y

Divide each side by '4'.
x = 67.5 + -0.25y

Simplifying
x = 67.5 + -0.25y

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