7x-15-6-x=3

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Solution for 7x-15-6-x=3 equation:


Simplifying
7x + -15 + -6 + -1x = 3

Reorder the terms:
-15 + -6 + 7x + -1x = 3

Combine like terms: -15 + -6 = -21
-21 + 7x + -1x = 3

Combine like terms: 7x + -1x = 6x
-21 + 6x = 3

Solving
-21 + 6x = 3

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 6x = 3 + 21

Combine like terms: -21 + 21 = 0
0 + 6x = 3 + 21
6x = 3 + 21

Combine like terms: 3 + 21 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4

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