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

How might this stereotype be damaging to the group involved? That all Muslims are terrorists

8x what is x? Please

In the reaction below, 150.0 g of water is collected. how many liters of sulfuric acid were used if the concentration is 0.650 m? h2so4 + na2co3 → na2so4 + co2

Two right triangles are graphed on a coordinate plane. One triangle has a vertical side of 2 and a horizontal side of 6. The other triangle has a vertical side

What is 78 with an exponent of 1 million?

10 points!!!!!!!!!PLZ HELP ASAP;;Think about how the amount of energy changes as you move stepwise from producers to primary consumers tertiary consumers in a f

According to article 2 of the U.S. constitution, the A. senate can direct military operations with presidential approval B. Senate has the power to Chang the

E. do the sd, cv, and beta produce the same risk ranking

What contribution did patrick henry have during the age of reason?

Tell whether the system has one solution, infinitely many solutions, or no solution. 15y=-10x+45 2x+3y+=9