7x-3x-2=15

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Solution for 7x-3x-2=15 equation:


Simplifying
7x + -3x + -2 = 15

Reorder the terms:
-2 + 7x + -3x = 15

Combine like terms: 7x + -3x = 4x
-2 + 4x = 15

Solving
-2 + 4x = 15

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 4x = 15 + 2

Combine like terms: -2 + 2 = 0
0 + 4x = 15 + 2
4x = 15 + 2

Combine like terms: 15 + 2 = 17
4x = 17

Divide each side by '4'.
x = 4.25

Simplifying
x = 4.25

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