Hey there!
1. “2a + 5a”
COMBINE your LIKE TERMS
2 + 5 = 7
So this means that: 2a + 5a has to equal 7a
Answer: 7a ☑️
2. “12x – 3x”
COMBINE your LIKE TERMS
12 – 3 = 9
So that means 12x – 3x has to equal 9x
Answer: 9x ☑️
3. “3p + 2p – p”
Side note: “P” by itself is understood as 1
Equation: 3p + 2p – 1p
COMBINE your LIKE TERMS
3p + 2p – 1p
3 + 2 = 5
Which makes 3p + 2p have to equal to 5p
5 – 1 = 4
So this means that 5p – 1p has to equal to 4p
Answer: 4p ☑️
Good luck on your assignment and enjoy your day!
~LoveYourselfFirst:)