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2r + 2 = 10r=?Hurry Please!!

Sagot :

Solving an equation

We want to know the value of r so

2r + 2 = 10

is satisfied

2r + 2 = 10

2r + 2 - 2 = 10 -2 [Substracting 2 both sides]

2r + 0 = 8 [2-2=0 and 10-2=8]

2r = 8

2r/2 = 8/2 [Dividing by 2 both sides]

r = 4

Answer: r = 4

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