10(3a-4)=-5(4a-3)-5a

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


Simplifying
10(3a + -4) = -5(4a + -3) + -5a

Reorder the terms:
10(-4 + 3a) = -5(4a + -3) + -5a
(-4 * 10 + 3a * 10) = -5(4a + -3) + -5a
(-40 + 30a) = -5(4a + -3) + -5a

Reorder the terms:
-40 + 30a = -5(-3 + 4a) + -5a
-40 + 30a = (-3 * -5 + 4a * -5) + -5a
-40 + 30a = (15 + -20a) + -5a

Combine like terms: -20a + -5a = -25a
-40 + 30a = 15 + -25a

Solving
-40 + 30a = 15 + -25a

Solving for variable 'a'.

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

Add '25a' to each side of the equation.
-40 + 30a + 25a = 15 + -25a + 25a

Combine like terms: 30a + 25a = 55a
-40 + 55a = 15 + -25a + 25a

Combine like terms: -25a + 25a = 0
-40 + 55a = 15 + 0
-40 + 55a = 15

Add '40' to each side of the equation.
-40 + 40 + 55a = 15 + 40

Combine like terms: -40 + 40 = 0
0 + 55a = 15 + 40
55a = 15 + 40

Combine like terms: 15 + 40 = 55
55a = 55

Divide each side by '55'.
a = 1

Simplifying
a = 1

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