7a-(3a-5)=17

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Solution for 7a-(3a-5)=17 equation:


Simplifying
7a + -1(3a + -5) = 17

Reorder the terms:
7a + -1(-5 + 3a) = 17
7a + (-5 * -1 + 3a * -1) = 17
7a + (5 + -3a) = 17

Reorder the terms:
5 + 7a + -3a = 17

Combine like terms: 7a + -3a = 4a
5 + 4a = 17

Solving
5 + 4a = 17

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 4a = 17 + -5

Combine like terms: 5 + -5 = 0
0 + 4a = 17 + -5
4a = 17 + -5

Combine like terms: 17 + -5 = 12
4a = 12

Divide each side by '4'.
a = 3

Simplifying
a = 3

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