2 years ago

Please Help with these 3 questions Please

Mathematics

1 answer:

Pepsi [2]2 years ago

3 0

For 14 the answer is -9

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4х + 3у = — 2<br> Зу = 4 -x<br> х =?<br> у =?

zlopas [31]

Answer: x=-2, y=2

Step-by-step explanation:

(SUBSTITUTION)

= 4x+4-x=2

x=-2

3y=4 x (-2)

y= 2

3 0

2 years ago

Read 2 more answers

Can anyone help with this question

WARRIOR [948]

Answer:

Step-by-step explanation:

4nfhfhs

7 0

2 years ago

For the figure shown on the right, find the value of the variable and the measures of the angles. PLZ HELP

pychu [463]

P=69 degrees
Q=71 degrees
R=40 degrees

Explanation

All triangles equal up to 180 degrees.
First add all numbers without x.
Then add all xs.

5x+20=180
Subtract 20 from 180

5x=160
Divide 160 by 5

x=40

8 0

2 years ago

2/3x+2 -x-3 <br> solution and the steps how to do it

Stells [14]

$\text{Hey there!}$

$\mathsf{\dfrac{2}{3}x+2-x-3}\\\\\mathsf{COMBINE\ your\ like\ terms}\\\\\mathsf{(\dfrac{2}{3}x-x)+(2-3)}\\\\\mathsf{\dfrac{2}{3}x-x=\dfrac{-1}{3}}\\\\\mathsf{2-3=-1}\\\\\boxed{\boxed{Thus,\ your \ answer\ is: \boxed{\dfrac{-1}{3}x -1}}}\checkmark$