50 degrees because 50+50= 100 +80 = 180 and there is 180 degrees in a triangle
Answer:
b
Step-by-step explanation:
Answer:
(x+y+z)=79
5x+2y+z=859
2x+3y+9z=498
Step-by-step explanation:
Its writing 3 different equations that have the same value for the same variable.
A) 4 (3x+2)-2
12x+8-2
12x+6
2x+1 simplified expression
