06-12-2016
Mathematics

contestada

2x-11=7x+9
how to solve

Respuesta :

reeseroo1221 reeseroo1221

06-12-2016

2x-11=7x+9
i would bring the -11 over to the 9. change it to 9+11. the equation is now

2x=7x+9+11
2x=7x+20

then bring the 7x over chaning it to -7x so then it is

2x-7x=20
-5x=20

then divide by -5

-5x/-5=20/-5

answer is
x=-4

Answer Link

Otras preguntas

Which five states have split-party delegation in the Senate?

According to Louisville’s Urban Heat Management Study, which of the following is NOT a cause of the urban heat island effect?

In these particular types of statements, one word allows the initial thought put forward to cancel out the thought that precedes it. these statements are common

Based on the text excerpts, what are the contrasting views regarding the best approach for the United States to deal with the situation in Iran?

If there is a parallel circuit with a current of 6 amps, and 3 resistors on it with resistances of 10 ohms, 5 ohms, and 2 ohms, what is the voltage?

ELI, a minor, buys a automobile insurance policy from faithful insurance company and pays a $1,000 premium. if eli can disaffirm the contract, he can most likel

F(x)=-2x^2-3x+5 for the input value -3

En la obra las nubes que era el argumento justo y el argumento injusto?

An aircraft (at Z) is spotted by two observers (at X and Y) who are Upper L equals 1600 feet apart. As the airplane passes over the line joining them, each

The diameter of the moon one fourth of the diameter of the diameter of the earth , find the ratio of their surgace area