What is the equation x = y + z solved for z?

Answers

Answer 1
Answer: x = y + z

y + z = x           subtract y from both sides.

z = x - y

Answer 2
Answer: to solve the problem for z you would need to undo the equation  x=y+z to do so you would subtract y from both sides resulting in x-y=z

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A jigsaw puzzle contains 50 pieces. If joining any two pieces or groups is considered one move, what is the least amount of moves to join all 50 pieces?

Answers

So, you see that when 2 pieces is considered a group, that means you have to divide. So, you divide 50/2 and it gives you 25.

Hope this helps :)

Camilla has a cat that weights 3 pounds her friend Kayla has a dog that weights 9 pounds who pet weights more

Answers

Kayla's dog weights more because 9 is a bigger number than 3. So if you subtract 9 - 3 you get 6. So Kayla's dog weights 6 more pound than Camilla's cat.

Why is m step so hard??

Answers

explain more , so i can help

What is 2x+8y=12 in slope intercept form 
as well as x-2y=0 in slope intercept form

Answers

the \ slope \ intercept \ form \ is : \n \n y= mx +b \n \n 2x+8y=12 \ \ |-2x \n \n8y=-2x+12\ \ /:8\n \ny=-(2)/(8)x+(12)/(8)

y=-(1)/(4)x+(3)/(4)\n \n m=-(1)/(4)



x-2y=0 \ \ | -x \n \n-2y=-x \ \ /:(-2)\n \ny=(1)/(2)x \n \n m= (1)/(2)






2x+8y=12
-2x        -2x
8y/8=(-2x+12)/8
y=-0.25+1.5

x-2y=0
-x       -x
-2y/-2=-x/-2
y=0.5x


A ratio is a rate. Sometimes, always, or never true? Give an example.

Answers

Uhh, well a rate is a special ratio in which the two terms are in different units and a ratio is a comparison between two numbers or measurement. So I guess it's never true!

Describe the number ofcards y and have after x weeks y=4x+2

Answers

i'm not sure what you're trying to ask but,
in 1 week, y will have 6 cards. 6=4(1)+2
in 2 weeks, y will have 10 cards. 10=4(2)+2
in 3 weeks, y will have 14 cards. 14=4(3)+2
you basically just substitute in the number of weeks with x and then just solve the problem to find out the total number of cards