Question

if 8x-5y=14and 2x-7y=1find 10x-12y​

Answer 1

Answer:

let 8×x = 8×7 = 54

5×y = 5×8 = 40

so 54 - 40 = 14

2x = 2× 11 = 22

7y = 7×3 =21

so 22-21 is 1

so (54+22) - (14+1)

=. 76 - 15

=. 61

Answer 2

Answer:

10X - 12Y = 15

Step-by-step explanation:

8X - 5Y = 14

2X - 7Y =   1   (+)

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10X - 12 Y = 15