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13 votes
Hellpppppppppppppppp 43points

Hellpppppppppppppppp 43points-example-1
User Nick Foote
by
7.9k points

1 Answer

9 votes

Answer:

a) 4x

b) 2 + 4y

Explanation:

a) 7x - 6x + 3x

To do this, we just need to collect the terms together. They are all coefficients of x, so all we need to do is add the number together.

7 - 6 + 3 = 4

7x - 6x + 3x = 4x

b) 2(1 + 2y)

Here we need to expand the brackets. 2 is shown to be multiplied by 1 +2y:

2(1 + 2y)

= 2*1 + 2*2y

= 2 + 4y

I hope this helps :)

User Phenex
by
7.6k points

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