3(2r+4)-4r=4(5r-4)+154

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Solution for 3(2r+4)-4r=4(5r-4)+154 equation: 



3(2r+4)-4r=4(5r-4)+154

We move all terms to the left:

3(2r+4)-4r-(4(5r-4)+154)=0

We add all the numbers together, and all the variables

-4r+3(2r+4)-(4(5r-4)+154)=0

We multiply parentheses

-4r+6r-(4(5r-4)+154)+12=0



We calculate terms in parentheses: -(4(5r-4)+154), so:

4(5r-4)+154

We multiply parentheses

20r-16+154

We add all the numbers together, and all the variables

20r+138

Back to the equation:

-(20r+138)



We add all the numbers together, and all the variables

2r-(20r+138)+12=0

We get rid of parentheses

2r-20r-138+12=0

We add all the numbers together, and all the variables

-18r-126=0

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

-18r=126

r=126/-18

r=-7

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