Write the solution of the given equations
x-y=7;x+y= 11
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Answer:
x=9 and y=2
Step-by-step explanation:
x=y+7------------- EQUATION 1
x+y=11
now from equation 1 we will replace x by y+7
y+7+y=11
2y+7=11
2y= 11-7
2y=4
y=4/2
y=2
then in equation 1 we will replace y value
x=y+7
y=2 so replace it
x=2+7
x=9
therefore x=9 and y= 2
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