xingxaliu
xingxaliu xingxaliu
  • 03-06-2021
  • Mathematics
contestada

Solve each of the following equations by the trial and error method : A) X- 7= -3 help some one now​

Respuesta :

arfoullea
arfoullea arfoullea
  • 03-06-2021

Answer:

X - 7 = - 3

X = - 3 + 7

X = 4

the 7 turns positive because it was moved to the other side of the symbol "=" so we reverse the sign

- becomes +

and

+ becomes -

Answer Link

Otras preguntas

how much we can expect to earn by having petroleum engineer degree with PhD?​
can anyone help me with this please?
What is gerrymandering? A:Gaining a representative after the Census B:The intentional drawing of district lines to influence voter power C:The redistricting of
Any help with this please ?
Which island did donald trump express an interest in buying over the weekend?
what are the types of snakes in Africa?​
What is the value of x in the equation 3 x minus 4 y equals 65, when y equals 4? x equals 13 and one-fourth x equals 21 and two-thirds
Two angles are complementary. One angle is 8 times as large as the other. Find the number of degrees in each angle.
How should this sentence be changed ?My aunt Debra owns three dogs she wants to get another one
DOES ANYONE KNOW HOW TO DO THIS????????????????????????