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3 years ago

Help pls if someone could explain how to do it (or just do it) that would be great

Mathematics

1 answer:

Drupady [299]3 years ago

8 0

Answer:

okay for #2 do 3 times 3.14 divided by 4

Step-by-step explanation:

do that and tell me what you get

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Solve the linear system using substitution y - 5 = x 4x - y = 4

Agata [3.3K]

Step-by-step explanation:

X=y-5

Now,

4x-y=4

4(y-5)-y=4

4y-20-y=4

3y=24

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Substituting the value of y

8-5=x

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3 years ago

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

Solve the system of equations below: y = 3x - 5 y = -2x + 10

Westkost [7]

Answer: x=3

y=4

Step-by-step explanation:

since both equations equal y then you can just make them equal

so 3x-5=-2x+10

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3 0

3 years ago

Solve the equation for x by combining like terms first. 3x-10+5x=2x-13

diamong [38]

Step-by-step explanation:

$\tt{3x - 10 + 5x = 2x - 13}$

Combine like terms on left hand side. Like terms are those which have the same base. Only coefficients of like terms can be added or subtracted.

⟼ $\tt{3x + 5x - 10 = 2x - 13}$

⟼ $\tt{8x - 10 = 2x - 13}$

Transpose 2x to left hand side and change it's sign.

Similarly , Transpose 10 to right hand side and change it's sign.

⟼ $\tt{8x - 2x = - 13 + 10}$

⟼ $\tt{6x = - 3}$

Divide both sides by 6

⟼ $\tt{ \frac{6x}{6} = - \frac{3}{6}}$

⟼ $\tt{x = - \frac{1}{2}}$

$\red{ \boxed{ \boxed{ \tt{Our \: final \: answer : \boxed{ \underline{ \tt {x = - \frac{1}{2}}}}}}} }$

Hope I helped ! ♡

Have a wonderful day / night ! ㋡

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8 0

3 years ago