(3x+15)+(4x-10)=90

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Solution for (3x+15)+(4x-10)=90 equation:


Simplifying
(3x + 15) + (4x + -10) = 90

Reorder the terms:
(15 + 3x) + (4x + -10) = 90

Remove parenthesis around (15 + 3x)
15 + 3x + (4x + -10) = 90

Reorder the terms:
15 + 3x + (-10 + 4x) = 90

Remove parenthesis around (-10 + 4x)
15 + 3x + -10 + 4x = 90

Reorder the terms:
15 + -10 + 3x + 4x = 90

Combine like terms: 15 + -10 = 5
5 + 3x + 4x = 90

Combine like terms: 3x + 4x = 7x
5 + 7x = 90

Solving
5 + 7x = 90

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 7x = 90 + -5

Combine like terms: 5 + -5 = 0
0 + 7x = 90 + -5
7x = 90 + -5

Combine like terms: 90 + -5 = 85
7x = 85

Divide each side by '7'.
x = 12.14285714

Simplifying
x = 12.14285714

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