3a-(a-2)=10

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


Simplifying
3a + -1(a + -2) = 10

Reorder the terms:
3a + -1(-2 + a) = 10
3a + (-2 * -1 + a * -1) = 10
3a + (2 + -1a) = 10

Reorder the terms:
2 + 3a + -1a = 10

Combine like terms: 3a + -1a = 2a
2 + 2a = 10

Solving
2 + 2a = 10

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 2a = 10 + -2

Combine like terms: 2 + -2 = 0
0 + 2a = 10 + -2
2a = 10 + -2

Combine like terms: 10 + -2 = 8
2a = 8

Divide each side by '2'.
a = 4

Simplifying
a = 4

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