Question

f [3x 8][1 4]-3[2 -7]=5[3 2y], then the . 3 7 value of x is​

Answer 1

Answer:

3x8][

1

3

4

7

]−3[2−7]=5[32y]

[3x+2412x+56]−[6−21]=[1510y]

[3x+24−612x+56+21]=[1510y]

[3x+1812x+77]=[1510y]

On comparing the corresponding terms , we have

3x+18=15 and 12x+77=10y

3x=−3 and y=(12x+77)/10

x=−1 andy=(12(−1)+77)/10

y=65/10=6.5

Thus x=−1 and y=6.5