3a-4=2(10)

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Solution for 3a-4=2(10) equation: 


Simplifying
3a + -4 = 2(10)

Reorder the terms:
-4 + 3a = 2(10)

Multiply 2 * 10
-4 + 3a = 20

Solving
-4 + 3a = 20

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 3a = 20 + 4

Combine like terms: -4 + 4 = 0
0 + 3a = 20 + 4
3a = 20 + 4

Combine like terms: 20 + 4 = 24
3a = 24

Divide each side by '3'.
a = 8

Simplifying
a = 8

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