90=9x-19+6x+4

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Solution for 90=9x-19+6x+4 equation:


Simplifying
90 = 9x + -19 + 6x + 4

Reorder the terms:
90 = -19 + 4 + 9x + 6x

Combine like terms: -19 + 4 = -15
90 = -15 + 9x + 6x

Combine like terms: 9x + 6x = 15x
90 = -15 + 15x

Solving
90 = -15 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
90 + -15x = -15 + 15x + -15x

Combine like terms: 15x + -15x = 0
90 + -15x = -15 + 0
90 + -15x = -15

Add '-90' to each side of the equation.
90 + -90 + -15x = -15 + -90

Combine like terms: 90 + -90 = 0
0 + -15x = -15 + -90
-15x = -15 + -90

Combine like terms: -15 + -90 = -105
-15x = -105

Divide each side by '-15'.
x = 7

Simplifying
x = 7

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