(-5a+6b-3)+(10a-6b+15)=

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Solution for (-5a+6b-3)+(10a-6b+15)= equation:


Simplifying
(-5a + 6b + -3) + (10a + -6b + 15) = 0

Reorder the terms:
(-3 + -5a + 6b) + (10a + -6b + 15) = 0

Remove parenthesis around (-3 + -5a + 6b)
-3 + -5a + 6b + (10a + -6b + 15) = 0

Reorder the terms:
-3 + -5a + 6b + (15 + 10a + -6b) = 0

Remove parenthesis around (15 + 10a + -6b)
-3 + -5a + 6b + 15 + 10a + -6b = 0

Reorder the terms:
-3 + 15 + -5a + 10a + 6b + -6b = 0

Combine like terms: -3 + 15 = 12
12 + -5a + 10a + 6b + -6b = 0

Combine like terms: -5a + 10a = 5a
12 + 5a + 6b + -6b = 0

Combine like terms: 6b + -6b = 0
12 + 5a + 0 = 0
12 + 5a = 0

Solving
12 + 5a = 0

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 5a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 5a = 0 + -12
5a = 0 + -12

Combine like terms: 0 + -12 = -12
5a = -12

Divide each side by '5'.
a = -2.4

Simplifying
a = -2.4

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