10=4a-9

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Solution for 10=4a-9 equation:


Simplifying
10 = 4a + -9

Reorder the terms:
10 = -9 + 4a

Solving
10 = -9 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
10 + -4a = -9 + 4a + -4a

Combine like terms: 4a + -4a = 0
10 + -4a = -9 + 0
10 + -4a = -9

Add '-10' to each side of the equation.
10 + -10 + -4a = -9 + -10

Combine like terms: 10 + -10 = 0
0 + -4a = -9 + -10
-4a = -9 + -10

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

Divide each side by '-4'.
a = 4.75

Simplifying
a = 4.75

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