Answer:
x = 70
Step-by-step explanation:
45+2x-5 = 180
2x = 180 - 40
x = 140/2
x = 70
Answer:
should u add or multiply it
If we are supposed to assume that QS=TV
4v+3=7v-9
minus 4v both sides
3=3v-9
add 9
12=3v
divide 3
4=v
v=4
sub back
4v+3=QS=TV
4(4)+3=QS=TV
16+3=QS
19=QS=TV
then answer is C