4a+2=a-7

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Solution for 4a+2=a-7 equation: 


Simplifying
4a + 2 = a + -7

Reorder the terms:
2 + 4a = a + -7

Reorder the terms:
2 + 4a = -7 + a

Solving
2 + 4a = -7 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
2 + 4a + -1a = -7 + a + -1a

Combine like terms: 4a + -1a = 3a
2 + 3a = -7 + a + -1a

Combine like terms: a + -1a = 0
2 + 3a = -7 + 0
2 + 3a = -7

Add '-2' to each side of the equation.
2 + -2 + 3a = -7 + -2

Combine like terms: 2 + -2 = 0
0 + 3a = -7 + -2
3a = -7 + -2

Combine like terms: -7 + -2 = -9
3a = -9

Divide each side by '3'.
a = -3

Simplifying
a = -3

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