10a-7+9a=-4

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Solution for 10a-7+9a=-4 equation:


Simplifying
10a + -7 + 9a = -4

Reorder the terms:
-7 + 10a + 9a = -4

Combine like terms: 10a + 9a = 19a
-7 + 19a = -4

Solving
-7 + 19a = -4

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 19a = -4 + 7

Combine like terms: -7 + 7 = 0
0 + 19a = -4 + 7
19a = -4 + 7

Combine like terms: -4 + 7 = 3
19a = 3

Divide each side by '19'.
a = 0.1578947368

Simplifying
a = 0.1578947368

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