1.

solve the following equations using substitution method X + Y is equal to 7 and 2 x minus Y is equal to 5​

Answer»

Step-by-step explanation:

EQUATION 1 is x+y=7

2 is 2x-y=5

from 1 we get y=7-x

put y VALUE in the equation 2

2x-7+x=5

3x=12

x=4

Hope you UNDERSTAND



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