Belinsm Belinsm

04-02-2022
Mathematics

contestada

Simplify the following expression:
-5a + 3b - (-2а) - 7b
Show me how you do it please.

Respuesta :

jimrgrant1 jimrgrant1

04-02-2022

Answer:

- 3a - 4b

Step-by-step explanation:

note that - (- ) = + and + (- ) = -

- 5a + 3b - (- 2a) - 7b

= - 5a + 3b + 2a - 7b ← collect like terms

= (- 5a + 2a) + (3b - 7b)

= - 3a + (- 4b)

= - 3a - 4b

Answer Link

Otras preguntas

Ocean photographs can contain motion to add interest. A.True B. False

What is the interquartile range of this set of data?

Describe the climate that the Mongols originally lived in

What is the product of x(x + 1)? Factor 1 Ο Ο Ο Ο O 2x + x O x² + 2x 2x2 + x O x²+x Factor 2

Triangle H J K. Angle J is 96 degrees and angle H is 24 degrees. Point L extends from side H K. What is the measure of AngleJKL? 60° 80° 110° 120°

Solve the problem. Find the length of a rectangular lot with a perimeter of 108 m if the length is 8 m more than the width. A.54 m B.31 m C.62 m D.23 m

Divide: 5,108 = 5 How many groups? 1

Over the summer, 100 new families moved into town. This will level. the demand for goods and services, at each price o increase o decrease

In an office building, 75 offices are currently being rented. This represents 60% of the total units. How many offices are there in the building?

No one could read the map because _____ key had been scribbled out. Which pronoun goes into the blank? A) it's B) its C) their D) they