Question

3x+4y=10 and 2x-2y=2 by substitution method
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Answer 1

Answer:

2x-2y=2

=> x-y = 2

=> x = y+2 ........ (1)

substitute x in other equation

=> 3(y+2) + 4y = 10

=> 7y + 6 = 10

=> y = 4/7

substitute y in equation 1

=> x = 4/7 + 2

=> x = 18/7

Answer 2

Step-by-step explanation:

hope it helps you .....