-28=-4a-3a

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Solution for -28=-4a-3a equation:


Simplifying
-28 = -4a + -3a

Combine like terms: -4a + -3a = -7a
-28 = -7a

Solving
-28 = -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.
-28 + 7a = -7a + 7a

Combine like terms: -7a + 7a = 0
-28 + 7a = 0

Add '28' to each side of the equation.
-28 + 28 + 7a = 0 + 28

Combine like terms: -28 + 28 = 0
0 + 7a = 0 + 28
7a = 0 + 28

Combine like terms: 0 + 28 = 28
7a = 28

Divide each side by '7'.
a = 4

Simplifying
a = 4

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