-3a-a+2(a-5)=5

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Solution for -3a-a+2(a-5)=5 equation:


Simplifying
-3a + -1a + 2(a + -5) = 5

Reorder the terms:
-3a + -1a + 2(-5 + a) = 5
-3a + -1a + (-5 * 2 + a * 2) = 5
-3a + -1a + (-10 + 2a) = 5

Reorder the terms:
-10 + -3a + -1a + 2a = 5

Combine like terms: -3a + -1a = -4a
-10 + -4a + 2a = 5

Combine like terms: -4a + 2a = -2a
-10 + -2a = 5

Solving
-10 + -2a = 5

Solving for variable 'a'.

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

Add '10' to each side of the equation.
-10 + 10 + -2a = 5 + 10

Combine like terms: -10 + 10 = 0
0 + -2a = 5 + 10
-2a = 5 + 10

Combine like terms: 5 + 10 = 15
-2a = 15

Divide each side by '-2'.
a = -7.5

Simplifying
a = -7.5

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