3x+20+x+50=90

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Solution for 3x+20+x+50=90 equation:


Simplifying
3x + 20 + x + 50 = 90

Reorder the terms:
20 + 50 + 3x + x = 90

Combine like terms: 20 + 50 = 70
70 + 3x + x = 90

Combine like terms: 3x + x = 4x
70 + 4x = 90

Solving
70 + 4x = 90

Solving for variable 'x'.

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

Add '-70' to each side of the equation.
70 + -70 + 4x = 90 + -70

Combine like terms: 70 + -70 = 0
0 + 4x = 90 + -70
4x = 90 + -70

Combine like terms: 90 + -70 = 20
4x = 20

Divide each side by '4'.
x = 5

Simplifying
x = 5

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