Answer:
{x = 2 , y = -2
Step-by-step explanation:
Solve the following system:
{y = 4 - 3 x | (equation 1)
{y = x/2 - 3 | (equation 2)
Express the system in standard form:
{3 x + y = 4 | (equation 1)
{-x/2 + y = -3 | (equation 2)
Add 1/6 × (equation 1) to equation 2:
{3 x + y = 4 | (equation 1)
{0 x+(7 y)/6 = (-7)/3 | (equation 2)
Multiply equation 2 by 6/7:
{3 x + y = 4 | (equation 1)
{0 x+y = -2 | (equation 2)
Subtract equation 2 from equation 1:
{3 x+0 y = 6 | (equation 1)
{0 x+y = -2 | (equation 2)
Divide equation 1 by 3:
{x+0 y = 2 | (equation 1)
{0 x+y = -2 | (equation 2)
Collect results:
Answer: {x = 2 , y = -2
Answer:
$8 per hour
Step-by-step explanation:
hope i was able to help , take care be safe and have a good day
we have
![\frac{3}{4} +0.6](https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B4%7D%20%2B0.6)
we know that
![\frac{3}{4}=0.75](https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B4%7D%3D0.75)
and
![0.75=0.40+0.35](https://tex.z-dn.net/?f=0.75%3D0.40%2B0.35)
substitute in the expression
![0.40+0.35 +0.6](https://tex.z-dn.net/?f=0.40%2B0.35%20%2B0.6)
![(0.40+0.60)+0.35](https://tex.z-dn.net/?f=%280.40%2B0.60%29%2B0.35)
![(1.00)+0.35=1.35](https://tex.z-dn.net/?f=%281.00%29%2B0.35%3D1.35)
therefore
<u>the answer is</u>
![1.35](https://tex.z-dn.net/?f=1.35)
Turn fraction into a decimal.
-2 1/2 = -2.5
Remember that when you subtract a negative number it automatically changes it to adding a positive number.
-6 + 2.5 = -3.5
Hope This Helped! Good Luck!