4x+3x-2+x+7+x=90

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Solution for 4x+3x-2+x+7+x=90 equation:


Simplifying
4x + 3x + -2 + x + 7 + x = 90

Reorder the terms:
-2 + 7 + 4x + 3x + x + x = 90

Combine like terms: -2 + 7 = 5
5 + 4x + 3x + x + x = 90

Combine like terms: 4x + 3x = 7x
5 + 7x + x + x = 90

Combine like terms: 7x + x = 8x
5 + 8x + x = 90

Combine like terms: 8x + x = 9x
5 + 9x = 90

Solving
5 + 9x = 90

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 9x = 90 + -5

Combine like terms: 5 + -5 = 0
0 + 9x = 90 + -5
9x = 90 + -5

Combine like terms: 90 + -5 = 85
9x = 85

Divide each side by '9'.
x = 9.444444444

Simplifying
x = 9.444444444

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