An 18 foot ladder touches a building 14 feet up the wall. what is the angle measure to the nearest degree of the ladder to the ground? a. 51 degrees b. 79 degrees c. 39 degrees d. 38 degrees

the answer to the expression is 83

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18