7x-(3x+9)+15=38

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Solution for 7x-(3x+9)+15=38 equation:


Simplifying
7x + -1(3x + 9) + 15 = 38

Reorder the terms:
7x + -1(9 + 3x) + 15 = 38
7x + (9 * -1 + 3x * -1) + 15 = 38
7x + (-9 + -3x) + 15 = 38

Reorder the terms:
-9 + 15 + 7x + -3x = 38

Combine like terms: -9 + 15 = 6
6 + 7x + -3x = 38

Combine like terms: 7x + -3x = 4x
6 + 4x = 38

Solving
6 + 4x = 38

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 4x = 38 + -6

Combine like terms: 6 + -6 = 0
0 + 4x = 38 + -6
4x = 38 + -6

Combine like terms: 38 + -6 = 32
4x = 32

Divide each side by '4'.
x = 8

Simplifying
x = 8

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