x+2x+(7x+2)=22

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Solution for x+2x+(7x+2)=22 equation:


Simplifying
x + 2x + (7x + 2) = 22

Reorder the terms:
x + 2x + (2 + 7x) = 22

Remove parenthesis around (2 + 7x)
x + 2x + 2 + 7x = 22

Reorder the terms:
2 + x + 2x + 7x = 22

Combine like terms: x + 2x = 3x
2 + 3x + 7x = 22

Combine like terms: 3x + 7x = 10x
2 + 10x = 22

Solving
2 + 10x = 22

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 10x = 22 + -2

Combine like terms: 2 + -2 = 0
0 + 10x = 22 + -2
10x = 22 + -2

Combine like terms: 22 + -2 = 20
10x = 20

Divide each side by '10'.
x = 2

Simplifying
x = 2

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