2 years ago

How do i find the sum or difference of this fraction

1 answer:

7 0

1st use the Step! Please, Excuse, My, Dear, Aunt, Sally! Ehich also means (PEMDAS) Parenthesis (), Exponents ", Multiple ×, Division÷, Addition+, and Subtraction-. Than your going to solve! (3n+5)×9=n×7
27n+45=7n
27n-7n=-45
20n=-45
n=-45/20= -9/4

You might be interested in

We just saw an example of "Survival of the fittest" with the rabbits that survived. We often use this as an expression to descri

GarryVolchara [31]

Answer:

If only the fittest survive in certain enviorments other animals have to evolve to live in different places

Step-by-step explanation:

3 0

2 years ago

Evaluate.<br> 33 + 11 -10 + 2 x4<br> w=__<br> ao

jarptica [38.1K]

I believe it would be 144 :)

6 0

2 years ago

A gymnasium can hold no more than 650 people.A permanent bleacher in the gymnasium holds 136 people. The event organizers are se

ValentinkaMS [17]

Answer:

20 chairs

Step-by-step explanation:

After 136 people are seated in the bleacher, there can be 514 people seated in chairs. We know that 514 = 25×20 +14, so there can be 20 rows of 25 chairs. We require an equal number of chairs in each row, so there cannot be some rows with 21 chairs, nor can there be a 26th row with 14 chairs.

There can be 20 chairs in each row.

3 0

2 years ago

Read 2 more answers

Help with this algebra question

Ksivusya [100]

A) y=(12-3x)/4
b)(4,0)

4 0

2 years ago

Read 2 more answers

018 10.0 points

Elina [12.6K]