7x-9=15+4

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Solution for 7x-9=15+4 equation:


Simplifying
7x + -9 = 15 + 4

Reorder the terms:
-9 + 7x = 15 + 4

Combine like terms: 15 + 4 = 19
-9 + 7x = 19

Solving
-9 + 7x = 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 + 7x = 19 + 9

Combine like terms: -9 + 9 = 0
0 + 7x = 19 + 9
7x = 19 + 9

Combine like terms: 19 + 9 = 28
7x = 28

Divide each side by '7'.
x = 4

Simplifying
x = 4

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