2(a-5)+4(a-5)=

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Solution for 2(a-5)+4(a-5)= equation:


Simplifying
2(a + -5) + 4(a + -5) = 0

Reorder the terms:
2(-5 + a) + 4(a + -5) = 0
(-5 * 2 + a * 2) + 4(a + -5) = 0
(-10 + 2a) + 4(a + -5) = 0

Reorder the terms:
-10 + 2a + 4(-5 + a) = 0
-10 + 2a + (-5 * 4 + a * 4) = 0
-10 + 2a + (-20 + 4a) = 0

Reorder the terms:
-10 + -20 + 2a + 4a = 0

Combine like terms: -10 + -20 = -30
-30 + 2a + 4a = 0

Combine like terms: 2a + 4a = 6a
-30 + 6a = 0

Solving
-30 + 6a = 0

Solving for variable 'a'.

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

Add '30' to each side of the equation.
-30 + 30 + 6a = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 6a = 0 + 30
6a = 0 + 30

Combine like terms: 0 + 30 = 30
6a = 30

Divide each side by '6'.
a = 5

Simplifying
a = 5

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