(3a+5b)-(a+2b)=

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


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

Remove parenthesis around (3a + 5b)
3a + 5b + -1(a + 2b) = 0
3a + 5b + (a * -1 + 2b * -1) = 0
3a + 5b + (-1a + -2b) = 0

Reorder the terms:
3a + -1a + 5b + -2b = 0

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

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

Solving
2a + 3b = 0

Solving for variable 'a'.

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

Add '-3b' to each side of the equation.
2a + 3b + -3b = 0 + -3b

Combine like terms: 3b + -3b = 0
2a + 0 = 0 + -3b
2a = 0 + -3b
Remove the zero:
2a = -3b

Divide each side by '2'.
a = -1.5b

Simplifying
a = -1.5b

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