Question

X-y=7, and x+y=5 please solve example simultaneous equation

Answer 1

Answer:

Step-by-step explanation:

X-y=7 ....... i

X+y=5 ........ ii

Adding equation i and ii

x+y=5

+ x-y=7

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2x =12

x=6

Substitute value of x in equation ii

x+y=5

6+y=5

y= 5-6

y= 1