3 years ago

Anyone know???????????

Mathematics

1 answer:

NeTakaya3 years ago

7 0

Answer:

I cant help I wish I could but its a test

Step-by-step explanation:

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1.) 2x + y = 3 2.) x - 2y = -1 If equation 1 is multiplied by 2 and then the equations are added, the result is

Alexus [3.1K]

3×2=6
6+(-1)=6-1=5
The answer is 5

5 0

4 years ago

V + 9 ---------- = 8 3 Can someone help me ??

bagirrra123 [75]

$\frac{v + 9}{3} = 8$

Multiply both sides by 3, because 3 is our denominator (bottom number in a fraction), and we want to get rid of the denominator.

3 × (v + 9) = 8 × 3

Simplify.

3v + 27 = 24

Then, subtract both sides by 27.

3v = 24 - 27

Simplify.

3v = -3

Divide both sides by 3.

v = -1

~Hope I helped!~

4 0

3 years ago

Simpify the expression. 5+4z-2z Simpilfied expression

Dafna11 [192]

Answer:

2z + 5

Step-by-step explanation:

you have to combine like terms

subtract 4z - 2z and you get 2z

the number with the variable next to it goes first not the constant

2z + 5

the variable is z and the constant is 5 because it doesn't have variable next to it