Answer: 2•15+3•8-100
Step-by-step explanation:
For this case we have the following system of two equations with two unknowns:

Adding both equations we have to eliminate the variable "x":

Adding common terms, keeping in mind that different signs are subtracted and the sign of the major is placed:

Answer:

Option A
Would the answer be one isosceles triangle sorry if you get it wrong I’m kinda slow 10-9=1
Draw the number line then put the numbers on the number line by twos. Fore example, 2-4-6-8-10
3.2a-16=4a
x= -20
hope that helps