Math, asked by Ichhapandey, 1 day ago

simplify: 8a-21b+13a-2b , 2x-5y+3-8y+7x-4
, -2g+7n+12g-8n

Answers

Answered by nieltusi1978

1

Answer:

1. 21a - 23b

2. 9x-13y-1

3. 10g-n

Step-by-step explanation:

1. 8a - 21b + 13a - 2b

= (8a+13a)+(-21b-2b)

= 21a - 23b

2. 2x-5y+3-8y+7x-4

= (2x+7x)+(-5y-8y)+(3-4)

= 9x - 13y - 1

3. -2g+7n+12g-8n

= (-2g+12g)+(7n-8n)

= 10g - n

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