4a-3(a+4)=-2a+15

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Solution for 4a-3(a+4)=-2a+15 equation:


Simplifying
4a + -3(a + 4) = -2a + 15

Reorder the terms:
4a + -3(4 + a) = -2a + 15
4a + (4 * -3 + a * -3) = -2a + 15
4a + (-12 + -3a) = -2a + 15

Reorder the terms:
-12 + 4a + -3a = -2a + 15

Combine like terms: 4a + -3a = 1a
-12 + 1a = -2a + 15

Reorder the terms:
-12 + 1a = 15 + -2a

Solving
-12 + 1a = 15 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
-12 + 1a + 2a = 15 + -2a + 2a

Combine like terms: 1a + 2a = 3a
-12 + 3a = 15 + -2a + 2a

Combine like terms: -2a + 2a = 0
-12 + 3a = 15 + 0
-12 + 3a = 15

Add '12' to each side of the equation.
-12 + 12 + 3a = 15 + 12

Combine like terms: -12 + 12 = 0
0 + 3a = 15 + 12
3a = 15 + 12

Combine like terms: 15 + 12 = 27
3a = 27

Divide each side by '3'.
a = 9

Simplifying
a = 9

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