Question

3x + 4y = 10 and 2x + 10 = 20 by substitution

Answer 1

Answer:

Hope it helps you.....

Answer 2

Step-by-step explanation:

2x+10=20

2x=20-10

x= 10/2

x=5

3x+4y=10

3(5)+4y=10

15+4y=10

4y=10-15

y= -5/4

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