(3x+7)+(5x+3)=90

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Solution for (3x+7)+(5x+3)=90 equation:


Simplifying
(3x + 7) + (5x + 3) = 90

Reorder the terms:
(7 + 3x) + (5x + 3) = 90

Remove parenthesis around (7 + 3x)
7 + 3x + (5x + 3) = 90

Reorder the terms:
7 + 3x + (3 + 5x) = 90

Remove parenthesis around (3 + 5x)
7 + 3x + 3 + 5x = 90

Reorder the terms:
7 + 3 + 3x + 5x = 90

Combine like terms: 7 + 3 = 10
10 + 3x + 5x = 90

Combine like terms: 3x + 5x = 8x
10 + 8x = 90

Solving
10 + 8x = 90

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 8x = 90 + -10

Combine like terms: 10 + -10 = 0
0 + 8x = 90 + -10
8x = 90 + -10

Combine like terms: 90 + -10 = 80
8x = 80

Divide each side by '8'.
x = 10

Simplifying
x = 10

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