(10a+7b)-(2a+3b)=

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Solution for (10a+7b)-(2a+3b)= equation:


Simplifying
(10a + 7b) + -1(2a + 3b) = 0

Remove parenthesis around (10a + 7b)
10a + 7b + -1(2a + 3b) = 0
10a + 7b + (2a * -1 + 3b * -1) = 0
10a + 7b + (-2a + -3b) = 0

Reorder the terms:
10a + -2a + 7b + -3b = 0

Combine like terms: 10a + -2a = 8a
8a + 7b + -3b = 0

Combine like terms: 7b + -3b = 4b
8a + 4b = 0

Solving
8a + 4b = 0

Solving for variable 'a'.

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

Add '-4b' to each side of the equation.
8a + 4b + -4b = 0 + -4b

Combine like terms: 4b + -4b = 0
8a + 0 = 0 + -4b
8a = 0 + -4b
Remove the zero:
8a = -4b

Divide each side by '8'.
a = -0.5b

Simplifying
a = -0.5b

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