Question

Can someone please help its my last one

Answer 1

80 + 40 + (x + 64) = 180

120 + (x + 64) = 180

-120 -120

x + 64 = 60

-64 -64

X = -4

Explanation:

Let's double check

64 - 4 = 60

60 + 80 + 40 = 180 It works!

Therefore X = -4.