3(a+b)-(5a+b)=

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Solution for 3(a+b)-(5a+b)= equation:


Simplifying
3(a + b) + -1(5a + b) = 0
(a * 3 + b * 3) + -1(5a + b) = 0
(3a + 3b) + -1(5a + b) = 0
3a + 3b + (5a * -1 + b * -1) = 0
3a + 3b + (-5a + -1b) = 0

Reorder the terms:
3a + -5a + 3b + -1b = 0

Combine like terms: 3a + -5a = -2a
-2a + 3b + -1b = 0

Combine like terms: 3b + -1b = 2b
-2a + 2b = 0

Solving
-2a + 2b = 0

Solving for variable 'a'.

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

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

Combine like terms: 2b + -2b = 0
-2a + 0 = 0 + -2b
-2a = 0 + -2b
Remove the zero:
-2a = -2b

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

Simplifying
a = b

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