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grigory [225]
2 years ago
14

WILL MARK BRAINLYIST HELP FASTTT

Mathematics
1 answer:
marysya [2.9K]2 years ago
5 0

Answer:

im reallly sorry

Step-by-step explanation:

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Solve by using any method of substitution<br><br>4 +8x = y <br>6x - y = 2
Bumek [7]

Answer:

(-3,-20)

Step-by-step explanation:

4 +8x = y ...... equation (1)

6x - y = 2 ........equation(2)

from equation 2

6x - y = 2

6x -(4+8x) =2

6x - 4 + 8x = 2

    +4              +4

6x - 8x = 6

-2x=6

divide by -2

x= -3

put x in equation (1) to solve for y

4 + 8x = y

4+8(-3)=y

4-24=y

-20=y

y= -20

solution = (-3,-20)

8 0
2 years ago
8x-2y^2=12 solve for y
Neko [114]
I hope it can help you

6 0
2 years ago
Read 2 more answers
mariana tinha 169 balas ela prometeu dar a raiz quadrada de suas balas a seu primo igor Depois de dar as balas a seu primo,deu 3
koban [17]

√169= 13

169-13 = 156

156 - 37 = 119

Mariana ficou com 119 balas.

3 0
3 years ago
How do I answer this math problem?
olchik [2.2K]
When exponents are separated by a parenthesis it means you need to add them. Because the parenthesis is around the entire number then you raise everything inside the parenthesis to the outside exponent. Then anything raised by 0 as an exponent is automatically 1.


You think of this visually as 3a*3a*3a= 27a^9 is your answer


8 0
3 years ago
Select the best equation needed to solve for x; then solve for x:
Natali [406]

Step-by-step explanation:

A. 5x=12x-14

you will  simplify the equation to the form, which is simple to understand  

5x=12x-14

We move all terms containing x to the left and all other terms to the right.  

+5x-12x=-14

We simplify left and right side of the equation.  

-7x=-14

We divide both sides of the equation by -7 to get x.  

x=2

B.   5B+12=BB=28

you will  move all terms to the left:

.5B+12-(BB)=0

you will  move all terms containing B to the left, all other terms to the right

.5B-BB=-12

7 0
3 years ago
Read 2 more answers
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