9a-[7-5(7a-3)]=

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Solution for 9a-[7-5(7a-3)]= equation:


Simplifying
9a + -1[7 + -5(7a + -3)] = 0

Reorder the terms:
9a + -1[7 + -5(-3 + 7a)] = 0
9a + -1[7 + (-3 * -5 + 7a * -5)] = 0
9a + -1[7 + (15 + -35a)] = 0

Combine like terms: 7 + 15 = 22
9a + -1[22 + -35a] = 0
9a + [22 * -1 + -35a * -1] = 0
9a + [-22 + 35a] = 0

Reorder the terms:
-22 + 9a + 35a = 0

Combine like terms: 9a + 35a = 44a
-22 + 44a = 0

Solving
-22 + 44a = 0

Solving for variable 'a'.

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

Add '22' to each side of the equation.
-22 + 22 + 44a = 0 + 22

Combine like terms: -22 + 22 = 0
0 + 44a = 0 + 22
44a = 0 + 22

Combine like terms: 0 + 22 = 22
44a = 22

Divide each side by '44'.
a = 0.5

Simplifying
a = 0.5

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