samone26
samone26 samone26
  • 26-05-2019
  • Mathematics
contestada

How do I solve this step by step

How do I solve this step by step class=

Respuesta :

maquenzie maquenzie
  • 26-05-2019

Answer:

23

Step-by-step explanation:

1. (x + 7) + (3x - 9) = 90

x + 7 + 3x - 9 = 90

4x - 2 = 90

4x = 92

x = 23

Answer Link

Otras preguntas

which of the following graphs use symbols to communication data
Ken spent 1/5 of his allowance on a movie, 3/8 on snacks, and 2/7 on games. If his allowance was $20, how much did Ken have left?
What type of light has the strongest effect on the body's natural rhythms?
Do you think the federalists or the anti federalists had the more valid arguments
how can the statement c(1.5)+9 be interpreted
a chair lift on the ski slope travels a total distance of 4640 ft to the top of a 2178 foot mountain find the angke of ski slope
One card is drawn at random from the deck of cards shown. Which of the following probabilities is equal to one?P(even or odd)P(even and odd)P(not yellow)
An organism has the following characteristics: cell wall, heterotrophic, unicellular, and prokaryote. What kingdom does it belong in? Animalia Protista Plantae
Hurry please!! Use any model you choose to solve the story problem. Zoey found that box of dog food was left in the pantry. She shared this food equally among
Cual es el lugar o tiempo de las leyendas