5(9a-4)-[3(5a-3)+1]=

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Solution for 5(9a-4)-[3(5a-3)+1]= equation:


Simplifying
5(9a + -4) + -1[3(5a + -3) + 1] = 0

Reorder the terms:
5(-4 + 9a) + -1[3(5a + -3) + 1] = 0
(-4 * 5 + 9a * 5) + -1[3(5a + -3) + 1] = 0
(-20 + 45a) + -1[3(5a + -3) + 1] = 0

Reorder the terms:
-20 + 45a + -1[3(-3 + 5a) + 1] = 0
-20 + 45a + -1[(-3 * 3 + 5a * 3) + 1] = 0
-20 + 45a + -1[(-9 + 15a) + 1] = 0

Reorder the terms:
-20 + 45a + -1[-9 + 1 + 15a] = 0

Combine like terms: -9 + 1 = -8
-20 + 45a + -1[-8 + 15a] = 0
-20 + 45a + [-8 * -1 + 15a * -1] = 0
-20 + 45a + [8 + -15a] = 0

Reorder the terms:
-20 + 8 + 45a + -15a = 0

Combine like terms: -20 + 8 = -12
-12 + 45a + -15a = 0

Combine like terms: 45a + -15a = 30a
-12 + 30a = 0

Solving
-12 + 30a = 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 + 30a = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 30a = 0 + 12
30a = 0 + 12

Combine like terms: 0 + 12 = 12
30a = 12

Divide each side by '30'.
a = 0.4

Simplifying
a = 0.4

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