Answer:
3x+4x+7
Step-by-step explanation:
First, a Trinomial consists of three terms.
so we have <u>blank</u>+<u>blank</u>+<u>blank</u>
Next we need to add the coefficients.
<u>3</u>+<u>4</u>+<u>blank</u>
Add the variables.
3x+4x+<u>blank</u>
And lastly, add the constant.
3x+4x+7
Good luck!
Answer:
Angle kjm is 56 °
you equate 7x with 3x +16
ie
3x + 16 = 7x
First equation
a. 3x+5=65
b.3x=60 x=20
The 3rd option is correct....................