Answer:

Step-by-step explanation:
Factor 

Rewrite Equation

Answer:
28
Step-by-step explanation:
5x= 2×10
X=20/5= 4
7x= 7×4= 28.
Please mark as brainliest.
13 3/4 + x = 7 1/4
becomes x = 13 3/4 / 7 1/4
13 3/4 = 55/4
7 1/4 = 29/4
55/4 / 29/4 = 55/4 * 4/29 = 220/116
220/116 reduces to 1 26/29
40.875 I’m not gonna show work cause I’d have to do long division if you want work shown just look it up