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

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


Simplifying
2(a + 4b + -5) + -3(2a + 10 + -4b) = 0

Reorder the terms:
2(-5 + a + 4b) + -3(2a + 10 + -4b) = 0
(-5 * 2 + a * 2 + 4b * 2) + -3(2a + 10 + -4b) = 0
(-10 + 2a + 8b) + -3(2a + 10 + -4b) = 0

Reorder the terms:
-10 + 2a + 8b + -3(10 + 2a + -4b) = 0
-10 + 2a + 8b + (10 * -3 + 2a * -3 + -4b * -3) = 0
-10 + 2a + 8b + (-30 + -6a + 12b) = 0

Reorder the terms:
-10 + -30 + 2a + -6a + 8b + 12b = 0

Combine like terms: -10 + -30 = -40
-40 + 2a + -6a + 8b + 12b = 0

Combine like terms: 2a + -6a = -4a
-40 + -4a + 8b + 12b = 0

Combine like terms: 8b + 12b = 20b
-40 + -4a + 20b = 0

Solving
-40 + -4a + 20b = 0

Solving for variable 'a'.

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

Add '40' to each side of the equation.
-40 + -4a + 40 + 20b = 0 + 40

Reorder the terms:
-40 + 40 + -4a + 20b = 0 + 40

Combine like terms: -40 + 40 = 0
0 + -4a + 20b = 0 + 40
-4a + 20b = 0 + 40

Combine like terms: 0 + 40 = 40
-4a + 20b = 40

Add '-20b' to each side of the equation.
-4a + 20b + -20b = 40 + -20b

Combine like terms: 20b + -20b = 0
-4a + 0 = 40 + -20b
-4a = 40 + -20b

Divide each side by '-4'.
a = -10 + 5b

Simplifying
a = -10 + 5b

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