10(-3a+3b-4c)-9(4a-5b+2c)=

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Solution for 10(-3a+3b-4c)-9(4a-5b+2c)= equation:


Simplifying
10(-3a + 3b + -4c) + -9(4a + -5b + 2c) = 0
(-3a * 10 + 3b * 10 + -4c * 10) + -9(4a + -5b + 2c) = 0
(-30a + 30b + -40c) + -9(4a + -5b + 2c) = 0
-30a + 30b + -40c + (4a * -9 + -5b * -9 + 2c * -9) = 0
-30a + 30b + -40c + (-36a + 45b + -18c) = 0

Reorder the terms:
-30a + -36a + 30b + 45b + -40c + -18c = 0

Combine like terms: -30a + -36a = -66a
-66a + 30b + 45b + -40c + -18c = 0

Combine like terms: 30b + 45b = 75b
-66a + 75b + -40c + -18c = 0

Combine like terms: -40c + -18c = -58c
-66a + 75b + -58c = 0

Solving
-66a + 75b + -58c = 0

Solving for variable 'a'.

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

Add '-75b' to each side of the equation.
-66a + 75b + -75b + -58c = 0 + -75b

Combine like terms: 75b + -75b = 0
-66a + 0 + -58c = 0 + -75b
-66a + -58c = 0 + -75b
Remove the zero:
-66a + -58c = -75b

Add '58c' to each side of the equation.
-66a + -58c + 58c = -75b + 58c

Combine like terms: -58c + 58c = 0
-66a + 0 = -75b + 58c
-66a = -75b + 58c

Divide each side by '-66'.
a = 1.136363636b + -0.8787878788c

Simplifying
a = 1.136363636b + -0.8787878788c

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