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vova2212 [387]
3 years ago
14

X + 7 = 18 what is the value of x

Mathematics
1 answer:
Akimi4 [234]3 years ago
8 0

x + 7 = 18

-7 both sides

x = 11

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I need answers for all! thank you will mark brainlist!! please help me i’m begging you <3
Darina [25.2K]

Step-by-step explanation:

y = 2/5 x - 9/5

when x = -1,

the value of y = 2/5(-1) - 9/5

= -2/5 - 9/5 = -11/5

when x = 0

=> y = 2/5(0) -9/5

= 0-9/5 = -9/5

when x=1

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6 0
3 years ago
If 1 factor of 3x3+7x2-7x-3 is (x+3) what are the other two factors
alexandr1967 [171]
<span>3x^3 + 7x^2 - 7x - 3</span>
= (x + 3)(x - 1)(3x + 1)

answer
other two factors (3x + 1) and (x - 1)
3 0
3 years ago
What is the value of the expression x-3y when x = 6 and y = 12
elena55 [62]

Answer:

-30

Step-by-step explanation:

  1. Plug in the values of x and y: 6 - 3(12)
  2. 3(12) = 3 × 12 = 36
  3. Plug 36 in: 6 - 36
  4. 6 - 36 = -30

I hope this helps!

7 0
3 years ago
15.75 ÷ 0.25 using the standard algorithm for division.
mina [271]

63 due to .25 being 1/4 so 15 times four is 60 and 75 divided by 25 is 3


3 0
3 years ago
Explain two ways you could solve 20 = 5(−3 + x
emmasim [6.3K]

Answer:

7 is x

Step-by-step explanation:

1) Divide both sides by 5 to give

4=-3+x

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x=7

2) Multiply 5 with the RHS (Right Hand Side) to give

20=-15+5x

20+15=5x

35=5x

x=7

7 0
2 years ago
Read 2 more answers
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