-7=4a+2a+a

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


Simplifying
-7 = 4a + 2a + a

Combine like terms: 4a + 2a = 6a
-7 = 6a + a

Combine like terms: 6a + a = 7a
-7 = 7a

Solving
-7 = 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.
-7 + -7a = 7a + -7a

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

Add '7' to each side of the equation.
-7 + 7 + -7a = 0 + 7

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

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

Divide each side by '-7'.
a = -1

Simplifying
a = -1

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