7x+(7-x)-(x+22)=0

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Solution for 7x+(7-x)-(x+22)=0 equation:


Simplifying
7x + (7 + -1x) + -1(x + 22) = 0

Remove parenthesis around (7 + -1x)
7x + 7 + -1x + -1(x + 22) = 0

Reorder the terms:
7x + 7 + -1x + -1(22 + x) = 0
7x + 7 + -1x + (22 * -1 + x * -1) = 0
7x + 7 + -1x + (-22 + -1x) = 0

Reorder the terms:
7 + -22 + 7x + -1x + -1x = 0

Combine like terms: 7 + -22 = -15
-15 + 7x + -1x + -1x = 0

Combine like terms: 7x + -1x = 6x
-15 + 6x + -1x = 0

Combine like terms: 6x + -1x = 5x
-15 + 5x = 0

Solving
-15 + 5x = 0

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 5x = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 5x = 0 + 15
5x = 0 + 15

Combine like terms: 0 + 15 = 15
5x = 15

Divide each side by '5'.
x = 3

Simplifying
x = 3

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