Answer:
x= -2
Step-by-step explanation:
-3x+6x+3=x-1
3x-x= -1-3
2x= -4
x= -2
Answer:
supplementary angles
Step-by-step explanation:
they are on the same line, so they sum up to 180°
Answer:
14x^3+39x^2+18x+20
Step-by-step explanation:
Answer:
800,000,000 90,000,000 5,000,000 3,000 40 9
Step-by-step explanation: