3-(2a-5)=

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Solution for 3-(2a-5)= equation:


Simplifying
3 + -1(2a + -5) = 0

Reorder the terms:
3 + -1(-5 + 2a) = 0
3 + (-5 * -1 + 2a * -1) = 0
3 + (5 + -2a) = 0

Combine like terms: 3 + 5 = 8
8 + -2a = 0

Solving
8 + -2a = 0

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + -2a = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -2a = 0 + -8
-2a = 0 + -8

Combine like terms: 0 + -8 = -8
-2a = -8

Divide each side by '-2'.
a = 4

Simplifying
a = 4

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