3 years ago

4(2r + 8) = 88 I would like to know the answer to this question please

Mathematics

1 answer:

Kamila [148]3 years ago

3 0

4(2r + 8) = 88

mutiply the bracket by 4

(4)(2r)(4)(8)= 8r+32

8r+32= 88

Move +32 to the other side

Sign changes from +32 to -32

8r+32-32= 88-32

8r= 88-32

8r= 56

divide by 8 for both sides

8r/8= 56/8

Cross out 8 and 8, divide by 8. Then becomes r

r= 7

Answer: r= 7

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