2 years ago

-2(7a+ 9b) = –14a + [?]b

Mathematics

2 answers:

MariettaO [177]2 years ago

4 0

Answer:

the unknown, [?], has the value -18.

Step-by-step explanation:

Perform the indicated multiplication on the left side:

-14a - 18b = -14a + [?]b

Adding 14a to both sides, we eliminate a:

-18b = [?]b

Thus, the unknown, [?], has the value -18.

OverLord2011 [107]2 years ago

3 0

Answer:

-18

Step-by-step explanation:

Left Hand Side = -2(7a + 9b) = -14a - 18b

Comparing it with Right Hand Side, ? = -18

You might be interested in

Help please I really need help

Tems11 [23]

Answer:

Step-by-step explanation:

7 0

2 years ago

Solve the equation x. 3 = x/3 + 4

Gennadij [26K]

Answer:

x = 5

Step-by-step explanation:

3 = x/ 3 + 4

This is same as

3/1 = x/ 3 + 4

Then cross multiply

1(x + 4) = 3× 3

x + 4 = 9

x = 9 - 4

x = 5

8 0

2 years ago

Please help solve <br><br> -2x - 4 - 7 = - 3x - 15

valentina_108 [34]

Answer:

x = -4

Step-by-step explanation:

-2x-11=-3x-15

x - 11 = -15

x = -4

8 0

2 years ago

From a set of 27 marbles, 4 white, 12 black, and 11 green, we choose one at random. What are the odds in favor of choosing a

garik1379 [7]

Answer:

4/27 chance of getting a white marble.

Step-by-step explanation:

There are 4 white marbles but there are 27 marbles in total. If you wanted a percentage, then divide 4 by 27 and place the decimal two places to the right once you founded your answer.

(sorry if it's a bad explanation)

6 0

2 years ago

Which is the graph of g(x)?

Solnce55 [7]

Answer:

the answer is letter D

Step-by-step explanation:

3 0

2 years ago