3 years ago

1.

Mathematics

1 answer:

Vesnalui [34]3 years ago

8 0

1)4x-7=2x+9
Subtract 2x
2x-7= 9
Add 7
2x=16
X= 8

2(8)+9=25
(8,25)

X+y=10
-X-2y=-14
-y= -4
Y=4
X+4=10
X=6
(6,4)

You might be interested in

Write an expression equal to 7(3x +4)

kati45 [8]

21x + 28. just distribute the 7.

5 0

3 years ago

Read 2 more answers

Please help me asap I need it thanks

Evgesh-ka [11]

Answer: I think (3) is it

Step-by-step explanation:

8 0

2 years ago

Simplify the expressions.

emmasim [6.3K]

Answer:

A. 17x B. -18b2+11b

Step-by-step explanation:

10x + 7x = 17x

7-7=0

answer is 17x

-8b2-10b2= -18b2

8b+3b=11b

6-6=0

answer is -18b2+11b

6 0

3 years ago

Read 2 more answers

Which pair of angles are vertical angles?

Leokris [45]

Answer:

C and D

Step-by-step explanation:

They are both right

4 0

2 years ago

Read 2 more answers

The formula for electrical power is P, is P= I^2 R, where I is current and R is resistance. The formula for I in terms of. P and

Butoxors [25]

Ans

I = sqrt(P/R)

Step-by-step explanation:

You divide both sides by R first

P/R = I^2 R/R

So,

I^2 = P/R

take the square root of both sides

I = sqrt(P/R)

7 0

3 years ago

Read 2 more answers