Answer:
x = 2
Step-by-step explanation:
180= 90 + 57 + Z
Z = 180 - 90 - 57
Z = 33
33 = 7X + 19
7X = 33 - 19
7X = 14
X = 2
Answer:
U (2,-1)
Step-by-step explanation:
if you replace x to 2, your answer will come out to be -1
im am pretty sure it is b.sometimes because an equation can have more then one answer