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kondaur [170]
3 years ago
5

Write an equation for the word sentence. Eight more than the number of children is 24.

Mathematics
1 answer:
DaniilM [7]3 years ago
3 0
x-the\ number\\\\x+8=24\\\\solution:\\\\x+8=24\ \ \ |subtract\ 8\ from\ both\ sides\\\boxed{x=16}
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Solve for C = 2pie.
bonufazy [111]
I don’t think you can do that
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3 years ago
3x - 5y = 14 and – 2x + 2y = 0
zubka84 [21]

Answer:

x=5.6

y=-5.6

Step-by-step explanation:

3x - 5y = 14 Equation 1

– 2x + 2y = 0 Equation 2

Simultaneous equation can be solved either through elimination method or substitution method. But we use elimination method for this question

Multiply equation 1 by -2 (the coefficient of x in equation 2) and multiply equation 2 with 3 (the coefficient of x in equation 1), so that x will have the same coefficient in the new equations, and easy to eliminate

-2(3x - 5y = 14)

-6x+10y=-28 Equation 3

3(– 2x + 2y = 0)

-6x+6y=0 Equation 4

Subtract equation 4 from 3 to eliminate x

-6x+10y=-28

-6x+6y=0

-6x-(-6x)=-6x+6x=0

10y-6y=5y

-28-0=-28

5y=-28

y=-28/5

y=-5.6

Substitute for y in equation 2

– 2x + 2y = 0

– 2x + 2(-5.6) = 0

-2x-11.2=0

-2x=11.2

x=-11.2/2

x=5.6

7 0
3 years ago
write two different inequalities in which one of the solutions is the same as the solution to x - 23 = 192
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Answer:

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Also, this question seems like an elementary school question, not a high school question, so why does it say that you are in high school?
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