9x-5y=2 3x-4y=10
can anyone please explain how the answer of this question is:
x=-4
y=-2

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?