4x+5x-4=90

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Solution for 4x+5x-4=90 equation:


Simplifying
4x + 5x + -4 = 90

Reorder the terms:
-4 + 4x + 5x = 90

Combine like terms: 4x + 5x = 9x
-4 + 9x = 90

Solving
-4 + 9x = 90

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 9x = 90 + 4

Combine like terms: -4 + 4 = 0
0 + 9x = 90 + 4
9x = 90 + 4

Combine like terms: 90 + 4 = 94
9x = 94

Divide each side by '9'.
x = 10.44444444

Simplifying
x = 10.44444444

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