2a-(3a+1)=15

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Solution for 2a-(3a+1)=15 equation:


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

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

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

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

Solving
-1 + -1a = 15

Solving for variable 'a'.

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

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

Combine like terms: -1 + 1 = 0
0 + -1a = 15 + 1
-1a = 15 + 1

Combine like terms: 15 + 1 = 16
-1a = 16

Divide each side by '-1'.
a = -16

Simplifying
a = -16

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