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AURORKA [14]
2 years ago
6

4x + y = 3-x + 2y = -3I need to use substitution to solve this. help?​

Mathematics
2 answers:
lisov135 [29]2 years ago
7 0

Answer:

Step-by-step explanation:

IrinaK [193]2 years ago
4 0

Answer:

(x,y) (1,-1)

Step-by-step explanation:

y=3-4x

-x+2y=-3

x+2(3-4x)=-3

x=1

y=3-4*1

y=-1

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HELP ASAP!!!!!!!!!!!
Svetllana [295]
The second option! Hope this helps!
6 0
3 years ago
What is the slope-intercept form of the following equation? What is slope and the y intercept? 8x + 2y = 14
Natalka [10]

Answer:

m

=

4

Step-by-step explanation:

Given -

8

x

−

2

y

=

14

It is in the form

a

x

+

b

y

=

c

If a linear equation is in this form, then -

It slope is

−

a

b

In our case, we shall use this formula

m

=

−

8

−

2

=

4

To find the y-intercept put

x

=

0

8

(

0

)

−

2

y

=

14

−

2

y

=

14

y

=

14

−

2

=

−

7

To find the x-intercept put

y

=

0

8

x

−

2

(

0

)

=

14

8

x

=

14

x

=

14

8

=

7

4

5 0
3 years ago
Read 2 more answers
Need help sovling this for class
Reil [10]

By the knowledge and application of <em>algebraic</em> definitions and theorems, we find that the expression - 10 · x + 1 + 7 · x = 37 has a solution of x = 12. (Correct choice: C)

<h3>How to solve an algebraic equation</h3>

In this question we have an equation that can be solved by <em>algebraic</em> definitions and theorems, whose objective consists in clearing the variable x. Now we proceed to solve the equation for x:

  1. - 10 · x + 1 + 7 · x = 37     Given
  2. (- 10 · x + 7 · x) + 1 = 37   Associative property
  3. -3 · x + 1 = 37     Distributive property/Definition of subtraction
  4. - 3 · x = 36     Compatibility with addition/Definition of subtraction
  5. x = 12     Compatibility with multiplication/a/(-b) = -a/b/Definition of division/Result

By the knowledge and application of <em>algebraic</em> definitions and theorems, we find that the expression - 10 · x + 1 + 7 · x = 37 has a solution of x = 12. (Correct choice: C)

To learn more on linear equations: brainly.com/question/2263981

#SPJ1

4 0
2 years ago
What is the answer for <br> -6n-2n=16
djverab [1.8K]

Answer:

n=-2

Step-by-step explanation:

-6n-2n=16

-8n=16

n=16/-8

n=-2

8 0
3 years ago
Read 2 more answers
Solvefor x. x+3/5 =2
oee [108]

Answer: x=7/5 or 1 2/5

Step-by-step explanation:

Given

x+3/5=2

Subtract 3/5 on both sides

x+3/5-3/5=2-3/5

x=10/5-3/5 (This is to convert 2, as a integer, to a fraction in order to ease the                  

x=7/5          operation)

6 0
3 years ago
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