06family 06family

26-02-2019
Mathematics

contestada

The sum of two numbers is 20. Their difference is 4.

Respuesta :

ameliawebb0515 ameliawebb0515

26-02-2019

X-Y=4

X=Y+4

(Y+4)+Y=20

2Y=20-4

Y=16/2

Y=8 ANSWER.

Explanation:

X-8=4

X=4+8

X=12 ANSWER.

PROOFS:

8+12=20

20=20

8-4=4

4=4

Answer Link

kamora80 kamora80

26-02-2019

X=12 that the answer

Answer Link

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