Izzkimisc1obe3ace Izzkimisc1obe3ace
  • 21-02-2017
  • Mathematics
contestada

If 21 more than 3 times a number is -15, what is the number?
-12
2
12
-2

Respuesta :

timijebs
timijebs timijebs
  • 23-02-2017
21+3x=-15
3x=-15-21
3x=-36
x=-36/3
x=-12
Answer Link

Otras preguntas

During the Renaissance period, the artists and architects of the time still remembered and appreciated the history and works of what civilization?
draw image of triangle abc under a dialtion whose center is p and scale factor is 1/2
A shape is shown on the centimetre grid below.+Work out the area of the shapeafter it has been enlarged byscale factor 2State the units of your answer.​
Name the parts of an Action Potential and include the Ions that are responsible for an Action Potential.
The map shows the migration of the ancient Hebrews prior to the Exodus. A map titled Hebrew Migration. A key shows Location where Hebrews settled with a star an
How many solutions does this polynomial have? 3 + 2x^2 - 4?
What is the slope of the line that passes through the points (2,8) and (1, 13)?
The normal shape of an enzyme is as shown in structure A. If the enzyme’s shape changes to that shown in structure B, what are two consequences of this change?
2. Identify, define, and explain the key features of an introduction
please help! I really need help I have more questions that I'll post after​