x+8+3x+90=180

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Solution for x+8+3x+90=180 equation:


Simplifying
x + 8 + 3x + 90 = 180

Reorder the terms:
8 + 90 + x + 3x = 180

Combine like terms: 8 + 90 = 98
98 + x + 3x = 180

Combine like terms: x + 3x = 4x
98 + 4x = 180

Solving
98 + 4x = 180

Solving for variable 'x'.

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

Add '-98' to each side of the equation.
98 + -98 + 4x = 180 + -98

Combine like terms: 98 + -98 = 0
0 + 4x = 180 + -98
4x = 180 + -98

Combine like terms: 180 + -98 = 82
4x = 82

Divide each side by '4'.
x = 20.5

Simplifying
x = 20.5

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