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2 years ago

2w + y = 6 a. Find y if w = -4 b. Find y if w = 10

Mathematics

2 answers:

marusya05 [52]2 years ago

5 0

Answer:

a. Find y if w = -4 --- y = 14

b. Find y if w = 10 --- y = -14

Step-by-step explanation:

This is all about substitution!! For question a, we need to substitute "w" with "-4" ...

2 (-4) + y = 6

We know that a positive time a negative equals a negative...so 2 · -4 is -8.

-8 + y = 6

Now let's add 8 on both sides to isolate the variable...which equals to

y = 14

Onto question b...We substitute w with 10.

2 (10) + y = 6

= 20 + y = 6

Subtract 20 from both sides to isolate "y"

y = -14

Hope this helpsss :D

krok68 [10]2 years ago

4 0

A. Y would be 14 since 2w would equal -8, and -8+14=6.
B. Y would be -14 because 2w would equal 20 and 20+(-14)=6

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