2 years ago

12а + 7x - За – 2х what's the answer

1 answer:

8 0

9a-5x

step by step explanation:

you can only add and subtract numbers that have the same variables.

12a and 3a are related because there variable is both a.

when u subtract 12a-3a you get the answer of 9a using subtraction.

7x and -2x are the second pair of related terms because they also have the same variable (x)

7x-2x is 5x using subtraction.

put the expression together:

9a-5x

hope this helps!

give me brainliest if it did plz

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12а + 7x - За – 2х what's the answer​

12а + 7x - За – 2х what's the answer