10-a+4a=4

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


Simplifying
10 + -1a + 4a = 4

Combine like terms: -1a + 4a = 3a
10 + 3a = 4

Solving
10 + 3a = 4

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + 3a = 4 + -10

Combine like terms: 10 + -10 = 0
0 + 3a = 4 + -10
3a = 4 + -10

Combine like terms: 4 + -10 = -6
3a = -6

Divide each side by '3'.
a = -2

Simplifying
a = -2

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