7x+(x-9)=19

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Solution for 7x+(x-9)=19 equation:


Simplifying
7x + (x + -9) = 19

Reorder the terms:
7x + (-9 + x) = 19

Remove parenthesis around (-9 + x)
7x + -9 + x = 19

Reorder the terms:
-9 + 7x + x = 19

Combine like terms: 7x + x = 8x
-9 + 8x = 19

Solving
-9 + 8x = 19

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 8x = 19 + 9

Combine like terms: -9 + 9 = 0
0 + 8x = 19 + 9
8x = 19 + 9

Combine like terms: 19 + 9 = 28
8x = 28

Divide each side by '8'.
x = 3.5

Simplifying
x = 3.5

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