(3x+5)+(4x+1)=90

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Solution for (3x+5)+(4x+1)=90 equation:


Simplifying
(3x + 5) + (4x + 1) = 90

Reorder the terms:
(5 + 3x) + (4x + 1) = 90

Remove parenthesis around (5 + 3x)
5 + 3x + (4x + 1) = 90

Reorder the terms:
5 + 3x + (1 + 4x) = 90

Remove parenthesis around (1 + 4x)
5 + 3x + 1 + 4x = 90

Reorder the terms:
5 + 1 + 3x + 4x = 90

Combine like terms: 5 + 1 = 6
6 + 3x + 4x = 90

Combine like terms: 3x + 4x = 7x
6 + 7x = 90

Solving
6 + 7x = 90

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 7x = 90 + -6

Combine like terms: 6 + -6 = 0
0 + 7x = 90 + -6
7x = 90 + -6

Combine like terms: 90 + -6 = 84
7x = 84

Divide each side by '7'.
x = 12

Simplifying
x = 12

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