4-7x+9x+23=90

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Solution for 4-7x+9x+23=90 equation:


Simplifying
4 + -7x + 9x + 23 = 90

Reorder the terms:
4 + 23 + -7x + 9x = 90

Combine like terms: 4 + 23 = 27
27 + -7x + 9x = 90

Combine like terms: -7x + 9x = 2x
27 + 2x = 90

Solving
27 + 2x = 90

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 2x = 90 + -27

Combine like terms: 27 + -27 = 0
0 + 2x = 90 + -27
2x = 90 + -27

Combine like terms: 90 + -27 = 63
2x = 63

Divide each side by '2'.
x = 31.5

Simplifying
x = 31.5

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