(7x+4)+2(7x+4)-4=180

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Solution for (7x+4)+2(7x+4)-4=180 equation:


Simplifying
(7x + 4) + 2(7x + 4) + -4 = 180

Reorder the terms:
(4 + 7x) + 2(7x + 4) + -4 = 180

Remove parenthesis around (4 + 7x)
4 + 7x + 2(7x + 4) + -4 = 180

Reorder the terms:
4 + 7x + 2(4 + 7x) + -4 = 180
4 + 7x + (4 * 2 + 7x * 2) + -4 = 180
4 + 7x + (8 + 14x) + -4 = 180

Reorder the terms:
4 + 8 + -4 + 7x + 14x = 180

Combine like terms: 4 + 8 = 12
12 + -4 + 7x + 14x = 180

Combine like terms: 12 + -4 = 8
8 + 7x + 14x = 180

Combine like terms: 7x + 14x = 21x
8 + 21x = 180

Solving
8 + 21x = 180

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 21x = 180 + -8

Combine like terms: 8 + -8 = 0
0 + 21x = 180 + -8
21x = 180 + -8

Combine like terms: 180 + -8 = 172
21x = 172

Divide each side by '21'.
x = 8.19047619

Simplifying
x = 8.19047619

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