Answer:
0
Step-by-step explanation:
40+8X=50+23X
8X-23X=50-140
-15X=-90
X=-90/-15
X=7 TRIPS IS THE ANSWER.
PROOF:
140+8*6=50+23*6
140+48=50+138
188=188
0.012
0.004 * 3 = 0.012
c is the answer because negative numbers have to go first