(7x-5)+(8x+50)=90

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Solution for (7x-5)+(8x+50)=90 equation:


Simplifying
(7x + -5) + (8x + 50) = 90

Reorder the terms:
(-5 + 7x) + (8x + 50) = 90

Remove parenthesis around (-5 + 7x)
-5 + 7x + (8x + 50) = 90

Reorder the terms:
-5 + 7x + (50 + 8x) = 90

Remove parenthesis around (50 + 8x)
-5 + 7x + 50 + 8x = 90

Reorder the terms:
-5 + 50 + 7x + 8x = 90

Combine like terms: -5 + 50 = 45
45 + 7x + 8x = 90

Combine like terms: 7x + 8x = 15x
45 + 15x = 90

Solving
45 + 15x = 90

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 15x = 90 + -45

Combine like terms: 45 + -45 = 0
0 + 15x = 90 + -45
15x = 90 + -45

Combine like terms: 90 + -45 = 45
15x = 45

Divide each side by '15'.
x = 3

Simplifying
x = 3

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