7x-4+x=9

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Solution for 7x-4+x=9 equation:


Simplifying
7x + -4 + x = 9

Reorder the terms:
-4 + 7x + x = 9

Combine like terms: 7x + x = 8x
-4 + 8x = 9

Solving
-4 + 8x = 9

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 8x = 9 + 4

Combine like terms: -4 + 4 = 0
0 + 8x = 9 + 4
8x = 9 + 4

Combine like terms: 9 + 4 = 13
8x = 13

Divide each side by '8'.
x = 1.625

Simplifying
x = 1.625

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