zianfairnot
zianfairnot zianfairnot
  • 25-11-2017
  • Mathematics
contestada

Solving equations with variable on both sides
Solve equation.check answer
5(y - 4)=7(2y+1)
Pls & thank you again

Respuesta :

Аноним Аноним
  • 25-11-2017
The answer is going to be -3. hope that helped.
Answer Link
shanac255
shanac255 shanac255
  • 25-11-2017
Solution:
5y-20=14y+7: Expand
9y+7=-20: Subtract 5y from both sides
9y=-27: Subtract 7 from both sides
y=-3: Divide both sides by 9

Check:
5(-3-4)=-35
7[(2*-3)+1]=7(-5)=-35

Answer Link

Otras preguntas

Cryolite (Na3AlF6) is used in the production of aluminum from its ores. It is made by the reaction 6 NaOH 1 Al2O3 1 12 HF 8n 2 Na3AlF6 1 9 H2O Calculate the mas
The United States economy is one in which producers are generally free to produce what they want, and consumers are free to purchase what they desire, so long a
see attached photo!! PLEASE ANSWER THIS ASAP!! THANKS IN ADVANCE! CORRECT ANSWER ONLY!! What is step 10 in this proof? A. Statement: line A'E' and line A'E'
Bar model equations math hw#20
According to the study, what issues do family members tend to NOT talk about when revealing family history information that might require you to specifically as
(01.02 LC) Solve for x: 5(x + 3) = 4(x - 3) -18 -27 -3 -6
Summarize describe at least one way humans impact each of the following cycles : hydrologic ,carbon ,nitrogen , and phosphorus
Which is the result of smooth endoplasmic reticulum being damaged in liver cells by excess alcohol consumption? Question 13 options: absorption of excess water
The genetic center of the eukaryotic cell is the __________.
Please answer quick!