7x-4+5x+5=90

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Solution for 7x-4+5x+5=90 equation:


Simplifying
7x + -4 + 5x + 5 = 90

Reorder the terms:
-4 + 5 + 7x + 5x = 90

Combine like terms: -4 + 5 = 1
1 + 7x + 5x = 90

Combine like terms: 7x + 5x = 12x
1 + 12x = 90

Solving
1 + 12x = 90

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 12x = 90 + -1

Combine like terms: 1 + -1 = 0
0 + 12x = 90 + -1
12x = 90 + -1

Combine like terms: 90 + -1 = 89
12x = 89

Divide each side by '12'.
x = 7.416666667

Simplifying
x = 7.416666667

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