4x+9+7-2x=90

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Solution for 4x+9+7-2x=90 equation:


Simplifying
4x + 9 + 7 + -2x = 90

Reorder the terms:
9 + 7 + 4x + -2x = 90

Combine like terms: 9 + 7 = 16
16 + 4x + -2x = 90

Combine like terms: 4x + -2x = 2x
16 + 2x = 90

Solving
16 + 2x = 90

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 2x = 90 + -16

Combine like terms: 16 + -16 = 0
0 + 2x = 90 + -16
2x = 90 + -16

Combine like terms: 90 + -16 = 74
2x = 74

Divide each side by '2'.
x = 37

Simplifying
x = 37

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