7x+2(7x-2)=164

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Solution for 7x+2(7x-2)=164 equation: 


Simplifying
7x + 2(7x + -2) = 164

Reorder the terms:
7x + 2(-2 + 7x) = 164
7x + (-2 * 2 + 7x * 2) = 164
7x + (-4 + 14x) = 164

Reorder the terms:
-4 + 7x + 14x = 164

Combine like terms: 7x + 14x = 21x
-4 + 21x = 164

Solving
-4 + 21x = 164

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 21x = 164 + 4

Combine like terms: -4 + 4 = 0
0 + 21x = 164 + 4
21x = 164 + 4

Combine like terms: 164 + 4 = 168
21x = 168

Divide each side by '21'.
x = 8

Simplifying
x = 8

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