X — бу + 2x = 5 2x – 3y+z = 4 3х +4y - z = -2 help - id252343428161119 от mariah10455 20.02.2020 16:38

Question

Mathematics: X — бу + 2x = 5 2x – 3y+z = 4 3х +4y - z = -2 help on how to do it , its about substitution.

mariah10455 · Accepted Answer

Move the decimal place over 9 places to the right for the numerator

9,900,000,000

Move the decimal place over 8 places to the right for the denominator

150,000,000

Divide both

9,900,000,000 / 150,000,000 = 66

X — бу + 2x = 5 2x – 3y+z = 4 3х +4y - z = -2 help on how to do it , its about substitution.