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slega [8]
3 years ago
14

Please help!!

Mathematics
2 answers:
S_A_V [24]3 years ago
5 0

Answer:

50

Step-by-step explanation:

Ne4ueva [31]3 years ago
3 0

Answer:

9. 2x^{2} +5x+2

21. y=6x

23. -8

Step-by-step explanation:

You might be interested in
Solve equation 106=-13x-76
kotykmax [81]

Answer:

-14 = x

Step-by-step explanation:

106=-13x-76

Add 76 on each side

106+76=-13x-76+76

182 = -13x

Divide by -13

182/-13 = -13x/-13

-14 = x

5 0
3 years ago
What’s the answer?....
ANTONII [103]

Answer:

x=66

Step-by-step explanation:

Every triangle is equal to 180 degree angles so if you do 83+31, then that is equal to 114, which is when you do 180-114 and that would be 66. So your answer would be x=66

6 0
3 years ago
Can somebody find this out
Aleonysh [2.5K]

Answer:

???

Step-by-step explanation:

?????what's the question

5 0
3 years ago
1
strojnjashka [21]

Answer:

Step-by-step explanation:

3x - 4y = 13 (1)

2x + y = 5 (2)

——————

3x - 4y = 13

4(2x + y = 5) (2) times 4

——————-

3x - 4y = 13

8x + 4y = 20

——————-

11x = 33

x = 33/11

x = 3

Plug x = 3 in (2):

2(3) + y = 5

6 + y = 5

y = 5-6

y = -1

Thus, x = 3 and y = -1

4 0
3 years ago
Am I correct on #6???
solniwko [45]

Answer:

im pretty sure it is 113.

Step-by-step explanation:


3 0
3 years ago
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