dumbgirlwhohatesmath dumbgirlwhohatesmath
  • 02-10-2018
  • Mathematics
contestada

half the difference of a number and 7 is 11. what is the number?

Respuesta :

OmegaAzzy
OmegaAzzy OmegaAzzy
  • 02-10-2018

1/2(x - 7) = 11

Distributive property.

0.5x - 3.5 = 11

Add 3.5 to both sides.

0.5x = 14.5

Multiply both sides by 2.

x = 29. (This is your answer.)

We can plug 29 into the original equation to verify.

1/2(x - 7) = 11

1/2(29 - 7) = 11

1/2(22) = 11

11 = 11 √ This is correct.

Answer Link

Otras preguntas

12c3d2 21ab 14a2b 8c2d
How does potential energy of a system change during an endothermic reaction?
Use the division algorithm and your estimate to find the quotient: 1,908 ÷ 36.
Which is an exponential decay function? f start bracket x end bracket equals Three-fourths start bracket Seven-fourths end bracket superscript x f start bracket
A lease versus purchase analysis should compare the cost of leasing to the cost of owning, assuming that the asset purchased a. is financed with a mix of debt
Some toxic chemicals a) can be assimilated directly through the skin unless proper protection is taken b) can be ingested by t
what is 400 +34579-754​
Nadia manages a local gym and is running an ad to drive more free trial memberships. What could she include in her ad text?
Identify the type of error in the sentence betw Neither of we students was going to the library agreement reference
Why did supporters of using the atomic bomb reject the idea of dropping one on a deserted island?