Answer:
2m + 1
Step-by-step explanation:
Simply combine like terms. <em>m</em> terms go with <em>m</em> terms and constants go with constants.
Answer:
Step-by-step explanation:
Let's distinguish between point W and all of its reflections, shall we? The first reflection will give us W' and the second reflection will give us W''. When we begin with W at (-2, 3) we are 2 units left of the origin and 3 units up. If we reflect through the x axis, we are moving directly below the x-axis, 3 units to be exact. W' is located at (-2, -3). If we are to reflect this over the y-axis, we will move directly across from where the point is. W' is 2 units to the left of the y-axis, so we will move til we are 2 units to the right. W'' is located at (2, -3).
For this question, you would want to set up a system of equations.
Let x = Dog Food
Let y = Cat Food
5x+2y=20
x+4y=13
The next step is to eliminate a variable or do substitution. I personally find elimination easier. To eliminate the y, multiply the top equation by -2.
-10x-4y=-40
x+4y=13
The y's will cancel and you are left with:
-9x=-27
Divide by -9 on both sides and you get x=3. Now you want to take 3 and substitute it back into one of the original equations.
3+4y=13
Solve for y
4y=10
y=2.5
Plug both values into the top equation to check the values.
5(3)+2(2.5)=20
15+5=20
20=20
The answers are correct. Dog food is 3 dollars or euros and cat food is 2.50 euros.
Please mark brainiest and good luck :D
Answer:
-3
Step-by-step explanation:
2x + 3 +7x = -24
Add the X together
9x +3 = -24
Bring over the +3. [when you bring over change the sign]
9x = -24 -3
9x = -27
-27 divide by 9 to find X
therefore answer is
x= -3.
Hope this helps