Answer:
Step-by-step explanation:
10x+6x+35x+21=51x+21
Answer:
x = 186 130/181
Step-by-step explanation:
x⁄ 4 + x⁄14 + x⁄17 = 71
119x/476 + 34x/476 + 34x/476 = 71
181x/476 = 71
x = 186 130/181

because if you convert 2/5 it is 40%.
5x2=10
10+20=30
30 is the answer.
Answer:
total 3 roots,
How do I know?:
put this function in graphing calculator
And if you don't have a graphing calculator, then calculate it out bu yourself:
(x + 1)(x − 1)(x − 7) = 0