alexbballermartin
alexbballermartin alexbballermartin
  • 15-10-2020
  • Mathematics
contestada

10. -4x + 7 = 15; -2 and tell whether the given number is a solution of each equation

Respuesta :

rainnielescosura1702
rainnielescosura1702 rainnielescosura1702
  • 15-10-2020

Answer:

[tex]x = - \frac{3}{2} [/tex]

Step-by-step explanation:

-4x+7=15-2

subtract number 15-2

-4x+7=13

-4x=13-7

-4x=6

divide

x=-3 over 2

Answer Link

Otras preguntas

What does population density mean?
What is the difference between hypothesis, theory and scientific law?
Round off 11 and 9/16 to the nearest whole number.
The faster an object moves, the more ______ energy it has. Does anyome know what to put there?
solve the equation sin (x° - 20°) = cos 42° for x, where 0 < x <90
A healthy individual is a carrier of a lethal allele but is unaffected by it. What is the probable genotype of this individual?
A room is 8.5 m long,6.5 m broad and 3.4 m high. It has two doors, each measuring (2 m 1m).Find the cost of painting its four walls at £160 per m.
how do you do this equation? 9x+(y)i-5=-12+4
Why is it so important for medical doctors to be able to use a microscope?
anyone helppp meee please ....