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a_sh-v [17]
2 years ago
15

Solve the simultaneous equations: 5x + 3y = 9 7x - 2y = 25 x=__ y=__

Mathematics
1 answer:
kondor19780726 [428]2 years ago
5 0

Answer:

x= 3, y= -2

Step-by-step explanation:

5x+3y= 9

x= 25÷7 + 2÷7 y

5(25÷7 +2÷7 y)

5( 25÷7 +2÷7 y ) + 3y= 9

y= -2

x= 25÷7 + 2÷7 x (-2)

x= 3

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