(a-1)(3+2)-4=1

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Solution for (a-1)(3+2)-4=1 equation:


Simplifying
(a + -1)(3 + 2) + -4 = 1

Reorder the terms:
(-1 + a)(3 + 2) + -4 = 1

Combine like terms: 3 + 2 = 5
(-1 + a)(5) + -4 = 1

Reorder the terms for easier multiplication:
5(-1 + a) + -4 = 1
(-1 * 5 + a * 5) + -4 = 1
(-5 + 5a) + -4 = 1

Reorder the terms:
-5 + -4 + 5a = 1

Combine like terms: -5 + -4 = -9
-9 + 5a = 1

Solving
-9 + 5a = 1

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + 5a = 1 + 9

Combine like terms: -9 + 9 = 0
0 + 5a = 1 + 9
5a = 1 + 9

Combine like terms: 1 + 9 = 10
5a = 10

Divide each side by '5'.
a = 2

Simplifying
a = 2

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