70=-6(-7-5)+2(2r-3)

Solution for 70=-6(-7-5)+2(2r-3) equation:

70=-6(-7-5)+2(2r-3)

We move all terms to the left:

70-(-6(-7-5)+2(2r-3))=0

We add all the numbers together, and all the variables

-(-6(-12)+2(2r-3))+70=0


We calculate terms in parentheses: -(-6(-12)+2(2r-3)), so:

-6(-12)+2(2r-3)

determiningTheFunctionDomain
2(2r-3)-6(-12)

We add all the numbers together, and all the variables

2(2r-3)+72

We multiply parentheses

4r-6+72

We add all the numbers together, and all the variables

4r+66

Back to the equation:

-(4r+66)


We get rid of parentheses

-4r-66+70=0

We add all the numbers together, and all the variables

-4r+4=0

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

-4r=-4

r=-4/-4

r=1