Question

How do you solve by substitution x+y=10 and y=x+8?

Answer 1

Answer:

Step-by-step explanation:

x+y =10

but y = x+8

x + x+8=10

2x=10-8=2

  2x=2

   x=1

then y = 1+8=9

        y=9

Answer 2

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