4(x+2)-9=15

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Solution for 4(x+2)-9=15 equation:


Simplifying
4(x + 2) + -9 = 15

Reorder the terms:
4(2 + x) + -9 = 15
(2 * 4 + x * 4) + -9 = 15
(8 + 4x) + -9 = 15

Reorder the terms:
8 + -9 + 4x = 15

Combine like terms: 8 + -9 = -1
-1 + 4x = 15

Solving
-1 + 4x = 15

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 4x = 15 + 1

Combine like terms: -1 + 1 = 0
0 + 4x = 15 + 1
4x = 15 + 1

Combine like terms: 15 + 1 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

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