2a-(3a)-7a+8b-b+(-2b)=

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Solution for 2a-(3a)-7a+8b-b+(-2b)= equation:


Simplifying
2a + -1(3a) + -7a + 8b + -1b + (-2b) = 0

Remove parenthesis around (3a)
2a + -1 * 3a + -7a + 8b + -1b + (-2b) = 0

Multiply -1 * 3
2a + -3a + -7a + 8b + -1b + (-2b) = 0

Combine like terms: 2a + -3a = -1a
-1a + -7a + 8b + -1b + (-2b) = 0

Combine like terms: -1a + -7a = -8a
-8a + 8b + -1b + (-2b) = 0

Combine like terms: 8b + -1b = 7b
-8a + 7b + (-2b) = 0

Combine like terms: 7b + (-2b) = 5b
-8a + 5b = 0

Solving
-8a + 5b = 0

Solving for variable 'a'.

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

Add '-5b' to each side of the equation.
-8a + 5b + -5b = 0 + -5b

Combine like terms: 5b + -5b = 0
-8a + 0 = 0 + -5b
-8a = 0 + -5b
Remove the zero:
-8a = -5b

Divide each side by '-8'.
a = 0.625b

Simplifying
a = 0.625b

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