3x+15-a=2(x+2)

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Solution for 3x+15-a=2(x+2) equation:


Simplifying
3x + 15 + -1a = 2(x + 2)

Reorder the terms:
15 + -1a + 3x = 2(x + 2)

Reorder the terms:
15 + -1a + 3x = 2(2 + x)
15 + -1a + 3x = (2 * 2 + x * 2)
15 + -1a + 3x = (4 + 2x)

Solving
15 + -1a + 3x = 4 + 2x

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -1a + -15 + 3x = 4 + -15 + 2x

Reorder the terms:
15 + -15 + -1a + 3x = 4 + -15 + 2x

Combine like terms: 15 + -15 = 0
0 + -1a + 3x = 4 + -15 + 2x
-1a + 3x = 4 + -15 + 2x

Combine like terms: 4 + -15 = -11
-1a + 3x = -11 + 2x

Add '-3x' to each side of the equation.
-1a + 3x + -3x = -11 + 2x + -3x

Combine like terms: 3x + -3x = 0
-1a + 0 = -11 + 2x + -3x
-1a = -11 + 2x + -3x

Combine like terms: 2x + -3x = -1x
-1a = -11 + -1x

Divide each side by '-1'.
a = 11 + x

Simplifying
a = 11 + x

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