(3x+7)+(4x-7)=147

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Solution for (3x+7)+(4x-7)=147 equation: 


Simplifying
(3x + 7) + (4x + -7) = 147

Reorder the terms:
(7 + 3x) + (4x + -7) = 147

Remove parenthesis around (7 + 3x)
7 + 3x + (4x + -7) = 147

Reorder the terms:
7 + 3x + (-7 + 4x) = 147

Remove parenthesis around (-7 + 4x)
7 + 3x + -7 + 4x = 147

Reorder the terms:
7 + -7 + 3x + 4x = 147

Combine like terms: 7 + -7 = 0
0 + 3x + 4x = 147
3x + 4x = 147

Combine like terms: 3x + 4x = 7x
7x = 147

Solving
7x = 147

Solving for variable 'x'.

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

Divide each side by '7'.
x = 21

Simplifying
x = 21

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