Answer:
-20 + 30x
Step-by-step explanation:
-10(1) = -10
-10(-3x) = 30x
new equation
-10 + 30x -10
-10 + -10 = -20
-20 + 30x
Answer:
Each song cost $2
Step-by-step explanation:
2 times 11 is 22
Make me brainliest if this helps!
Well x is an obtuse angle
but the angle e,f,g is an acute angle
Answer:
x=1
Step-by-step explanation:
This stuff is quite easy in reality. Here's a little example including your numbers.

by this point we are left with simplifying it. Since it's a double negative we get a positive. Thus x=1