Answer:
Step-by-step explanation:
2x+3x+4x=180
8x=180
divide by 8 to both sides
x=22.5
20
ANSWER:
N = 16
STEP BY STEP EXPLANATION:
2(5+3)
n=16
3
4
5
9
2
a) -3x -2y = 12
b) 10x = -15y + 60
c) 6x +9y = 18
Answer:4