3 years ago

A system of equations is shown below.

1 answer:

5 0

Step-by-step explanation:

$2x + 3y = 12 \\ x = - 2y + 10 \\ 2( - 2y + 10) + 3y = 12 \\ - 4y + 20 + 3y = 12 \\ - y = - 8 \\ y = 8 \\ x = - 2y + 10 \\ x = - 2 \times 8 + 10 = - 6 \\$

(-6 , 8)

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–5(–2) = <br> please help :) :D

ioda

Answer:

Step-by-step explanation:

-5 * -2 = 10

cuz - * - = +

and 5 * 2 = 10

hence 10

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2 years ago

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What dose this equation equal ? -8x+4+(-3)=?

Marianna [84]

-8x+1 is the answer

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3 years ago

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Ratio equivalent to 1:3

Margaret [11]

2:6

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These are all equivilant

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According to the order of operations, which of the following operations should be completed first in the following expression?

Kamila [148]

Answer:

Step-by-step explanation:

simplify (5-3)

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3 years ago

There were 60 seventh grade students who signed up for soccer tryouts last year. This year, 48 seventh graders signed up for try

Lubov Fominskaja [6]

Answer:

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Step-by-step explanation:

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