Y = -x + 4.....so sub in -x + 4 in for y in the other equation
x + 2y = -8
x + 2(-x + 4) = -8
x - 2x + 8 = -8
x - 2x = -8 - 8
-x = -16
x = 16
y = -x + 4
y = -16 + 4
y = - 12
one solution (16,-12)
Answer:
Julio did 6/2. The correct answer is 12.
Step-by-step explanation:
6/1/2=6*2=12. Julio forgot to change the division into multiplication. Dividing is multiplying by it's reciprocal.
Answer:
C) $281.25
Step-by-step explanation:
3/15 describes you having to pay the bill in 15 days with a 3% discount.
3% = 0.03
289.95 - (298.95 x 0.03)
289.95 - 8.6985
281.25
Answer:
Idk
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
25% is the same as 1/4.
1 is 1/4 of what number?
Answer: 4
You can also answer it with an equation.
Let x = the number you are looking for.
1 is 25% of x can be written as the following equation.
25% of x = 1
0.25x = 1
Multiply both sides by 4.
x = 4
Answer: 4
