x+40+3x+x+10=90

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Solution for x+40+3x+x+10=90 equation:


Simplifying
x + 40 + 3x + x + 10 = 90

Reorder the terms:
40 + 10 + x + 3x + x = 90

Combine like terms: 40 + 10 = 50
50 + x + 3x + x = 90

Combine like terms: x + 3x = 4x
50 + 4x + x = 90

Combine like terms: 4x + x = 5x
50 + 5x = 90

Solving
50 + 5x = 90

Solving for variable 'x'.

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

Add '-50' to each side of the equation.
50 + -50 + 5x = 90 + -50

Combine like terms: 50 + -50 = 0
0 + 5x = 90 + -50
5x = 90 + -50

Combine like terms: 90 + -50 = 40
5x = 40

Divide each side by '5'.
x = 8

Simplifying
x = 8

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