2-3a+8a-12=7a+4*4

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Solution for 2-3a+8a-12=7a+4*4 equation:


Simplifying
2 + -3a + 8a + -12 = 7a + 4 * 4

Reorder the terms:
2 + -12 + -3a + 8a = 7a + 4 * 4

Combine like terms: 2 + -12 = -10
-10 + -3a + 8a = 7a + 4 * 4

Combine like terms: -3a + 8a = 5a
-10 + 5a = 7a + 4 * 4

Multiply 4 * 4
-10 + 5a = 7a + 16

Reorder the terms:
-10 + 5a = 16 + 7a

Solving
-10 + 5a = 16 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-10 + 5a + -7a = 16 + 7a + -7a

Combine like terms: 5a + -7a = -2a
-10 + -2a = 16 + 7a + -7a

Combine like terms: 7a + -7a = 0
-10 + -2a = 16 + 0
-10 + -2a = 16

Add '10' to each side of the equation.
-10 + 10 + -2a = 16 + 10

Combine like terms: -10 + 10 = 0
0 + -2a = 16 + 10
-2a = 16 + 10

Combine like terms: 16 + 10 = 26
-2a = 26

Divide each side by '-2'.
a = -13

Simplifying
a = -13

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