(3x+1)+(4x+8)=126

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Solution for (3x+1)+(4x+8)=126 equation:


Simplifying
(3x + 1) + (4x + 8) = 126

Reorder the terms:
(1 + 3x) + (4x + 8) = 126

Remove parenthesis around (1 + 3x)
1 + 3x + (4x + 8) = 126

Reorder the terms:
1 + 3x + (8 + 4x) = 126

Remove parenthesis around (8 + 4x)
1 + 3x + 8 + 4x = 126

Reorder the terms:
1 + 8 + 3x + 4x = 126

Combine like terms: 1 + 8 = 9
9 + 3x + 4x = 126

Combine like terms: 3x + 4x = 7x
9 + 7x = 126

Solving
9 + 7x = 126

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 7x = 126 + -9

Combine like terms: 9 + -9 = 0
0 + 7x = 126 + -9
7x = 126 + -9

Combine like terms: 126 + -9 = 117
7x = 117

Divide each side by '7'.
x = 16.71428571

Simplifying
x = 16.71428571

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