Solve each equation

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4r-8r=0

-15=-8r-7r

3b+7-1=-3

3x+1-6x=7

r = 0

r = 1

b = - 3

x = - 3

Step-by-step explanation:

4r-8r=0

-4r=0

r=0

-15=-8r-7r

-15 = - 15r

r=1

3b+7-1=-3

3b = - 3-7+1

3b = - 9

b = - 9/3

b=-3

3x+1-6x=7

-3x = 7-1

-3x = 6

x = - 6/3

x = - 3