Answer:
3
Step-by-step explanation:
18 ÷ 3 ( 5 - 4 + 1 )
18 ÷ 3 ( 2 )
18 ÷ 6
= 3
Multiply the first equation by 2 or divide the second one my 2, to get the #X opposites, to cancel each other out
-4x+6y=12
4x-6y=-6
Or
-2x+3y=6
2x-3y=-3
there’s no solution either way
Answer:
78
Step-by-step explanation:
I hope this helps you
Q and R complimentary
6x+20+2x=180
8x=160
x=20
Step-by-step explanation:
the explanations are in the image