a=20-10/4

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Solution for a=20-10/4 equation: 



a=20-10/4

We move all terms to the left:

a-(20-10/4)=0

We add all the numbers together, and all the variables

a-(-10/4+20)=0

We get rid of parentheses

a-20+10/4=0

We multiply all the terms by the denominator


a*4+10-20*4=0

We add all the numbers together, and all the variables

a*4-70=0

Wy multiply elements

4a-70=0

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

4a=70

a=70/4

a=17+1/2

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