(5a+2b)-(2a-4b)=

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Solution for (5a+2b)-(2a-4b)= equation:


Simplifying
(5a + 2b) + -1(2a + -4b) = 0

Remove parenthesis around (5a + 2b)
5a + 2b + -1(2a + -4b) = 0
5a + 2b + (2a * -1 + -4b * -1) = 0
5a + 2b + (-2a + 4b) = 0

Reorder the terms:
5a + -2a + 2b + 4b = 0

Combine like terms: 5a + -2a = 3a
3a + 2b + 4b = 0

Combine like terms: 2b + 4b = 6b
3a + 6b = 0

Solving
3a + 6b = 0

Solving for variable 'a'.

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

Add '-6b' to each side of the equation.
3a + 6b + -6b = 0 + -6b

Combine like terms: 6b + -6b = 0
3a + 0 = 0 + -6b
3a = 0 + -6b
Remove the zero:
3a = -6b

Divide each side by '3'.
a = -2b

Simplifying
a = -2b

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