4x-7+3x+9=90

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Solution for 4x-7+3x+9=90 equation:


Simplifying
4x + -7 + 3x + 9 = 90

Reorder the terms:
-7 + 9 + 4x + 3x = 90

Combine like terms: -7 + 9 = 2
2 + 4x + 3x = 90

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

Solving
2 + 7x = 90

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 7x = 90 + -2

Combine like terms: 2 + -2 = 0
0 + 7x = 90 + -2
7x = 90 + -2

Combine like terms: 90 + -2 = 88
7x = 88

Divide each side by '7'.
x = 12.57142857

Simplifying
x = 12.57142857

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