Question

x-3y-7=0; 3x-3y-15=0 solve using cross ​multiplication method

Answer 1

Answer:

x=4

y=1

Step-by-step explanation:

hope it helps you

Answer 2

Answer:

x-3y-7=0___(1)×3

3x-3y-15=0___(2)

3x-9y-21=0

3x-3y-15=0

______

6y-6=0

6y=6

y=1

from equation (1)

x-3×1-7=0

x-3-7=0

x=10

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