10-3(a-1)=1+9

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Solution for 10-3(a-1)=1+9 equation:


Simplifying
10 + -3(a + -1) = 1 + 9

Reorder the terms:
10 + -3(-1 + a) = 1 + 9
10 + (-1 * -3 + a * -3) = 1 + 9
10 + (3 + -3a) = 1 + 9

Combine like terms: 10 + 3 = 13
13 + -3a = 1 + 9

Combine like terms: 1 + 9 = 10
13 + -3a = 10

Solving
13 + -3a = 10

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + -3a = 10 + -13

Combine like terms: 13 + -13 = 0
0 + -3a = 10 + -13
-3a = 10 + -13

Combine like terms: 10 + -13 = -3
-3a = -3

Divide each side by '-3'.
a = 1

Simplifying
a = 1

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