28+9x-7x-3=39

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Solution for 28+9x-7x-3=39 equation:


Simplifying
28 + 9x + -7x + -3 = 39

Reorder the terms:
28 + -3 + 9x + -7x = 39

Combine like terms: 28 + -3 = 25
25 + 9x + -7x = 39

Combine like terms: 9x + -7x = 2x
25 + 2x = 39

Solving
25 + 2x = 39

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 2x = 39 + -25

Combine like terms: 25 + -25 = 0
0 + 2x = 39 + -25
2x = 39 + -25

Combine like terms: 39 + -25 = 14
2x = 14

Divide each side by '2'.
x = 7

Simplifying
x = 7

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