biancaaburtoejwjkwje biancaaburtoejwjkwje

11-01-2021
Mathematics

contestada

7th grade math help me please :)

7th grade math help me please class=

Respuesta :

jimrgrant1 jimrgrant1

11-01-2021

Answer:

7x + 1 and 2a - 1

Step-by-step explanation:

(a)

2x + 1 + 5x ← collect like terms

= (2x + 5x) + 1

= 7x + 1

(b)

- 3a + 2 + 5a - 3 ← collect like terms

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

= 2a + (- 1)

= 2a - 1

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