2(a-5)-4(2a-1)=18

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Solution for 2(a-5)-4(2a-1)=18 equation: 



2(a-5)-4(2a-1)=18

We move all terms to the left:

2(a-5)-4(2a-1)-(18)=0

We multiply parentheses

2a-8a-10+4-18=0

We add all the numbers together, and all the variables

-6a-24=0

We move all terms containing a to the left, all other terms to the right

-6a=24

a=24/-6

a=-4

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