-|5a+b| + |3y+2z| a=-2, b=-3, y=3, z=-4.2

help i have a lot more and i forgot to do my hw

- 12.4

Step-by-step explanation:

Substitute the given values into the expression

- | 5(- 2) + (- 3) | + | 3(3) + 2(- 4.2) |

= - | - 10 - 3 | + | 9 - 8.4 |

= - | - 13 | + | 0.6 |

= - | 13 | + | 0.6 |

= - 13 + 0.6

= - 12.4

He owes 215 dollars.

Step-by-step explanation:

I can’t really explain this but hope this helps!