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ASHA 777 [7]
3 years ago
7

Help me pleaseI don't know how to do this ​

Mathematics
2 answers:
Vilka [71]3 years ago
8 0
I don’t either
Can someone please teach me
Angelina_Jolie [31]3 years ago
6 0
X = 1, Y = -1


You could do substitution :
x - y = 2
x = 2 + y
———————-
5(2 + y) + y = 4
10 + 5y + y = 4
10 + 6y = 4
6y = -6
y = -1
———————-
x - (-1) = 2
x + 1 = 2
x = 1
——————————
CHECK ANSWER :
5(1) + (-1) = 4
1 - (-1) = 2
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4. Tell whether the systems have one solution,
hjlf

Answer:

x= 2,

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Step-by-step explanation:

Solve by Substitution :

// Solve equation [1] for the variable y

[1] y = 5x - 5

// Plug this in for variable y in equation [2]

[2] -4x + 2•(5x-5) = 2

[2] 6x = 12

// Solve equation [2] for the variable x

[2] 6x = 12

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Solution :

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5 0
2 years ago
Write the equation for a line that passes through (4,-1) and has a slope of 5
Anit [1.1K]

Answer:

y = 5x - 21

Step-by-step explanation:

Since we already know the slope, all we need to do is plug the values of x and y into the equation.

y = 5x + b

-1 = 5(4) + b

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The equation is y = 5x - 21.

5 0
3 years ago
A statement of an employee's biweekly earnings is given below.
vesna_86 [32]

Answer:

d.   $852.96

Step-by-step explanation:

The net pay is $667.17.  This is the pay after all deductions are taken out.

To find the gross pay, or pay before deductions, we add back all of the deduction:

667.17+98+52.88+12.37+22.54 = 765.17+52.88+12.37+22.54 = 818.05+12.37+22.54 = 830.42+22.54 = 852.96

4 0
3 years ago
Read 2 more answers
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