Solve the system by substitution x+4y=14 and 3x+4y=22

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16