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

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


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

Multiply -1 * -3
1 + (-3a) + 3 + (-2a) = 1

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

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

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

Solving
4 + -5a = 1

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + -5a = 1 + -4

Combine like terms: 4 + -4 = 0
0 + -5a = 1 + -4
-5a = 1 + -4

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

Divide each side by '-5'.
a = 0.6

Simplifying
a = 0.6

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