7x+(x-1)=22

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Solution for 7x+(x-1)=22 equation:


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

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

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

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

Combine like terms: 7x + x = 8x
-1 + 8x = 22

Solving
-1 + 8x = 22

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 8x = 22 + 1

Combine like terms: -1 + 1 = 0
0 + 8x = 22 + 1
8x = 22 + 1

Combine like terms: 22 + 1 = 23
8x = 23

Divide each side by '8'.
x = 2.875

Simplifying
x = 2.875

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