0.4(5x-15+2.5(x+3) solve for x with an explenation

Mathematics

1 answer:

Georgia [21]4 years ago

6 0

Step-by-step explanation:

0.4(5×-15+2.5×+7.5)use 2.5 to multiply the inner bracket

use 0.4 to multiply the equation in the bracket

2x-6+1+3

2×-5+3

2×-2

since there is no" equal to "sign this is the final answer

You might be interested in

A number decreased by 18 is equal to the product of the number and 7.

postnew [5]

----------------------------------------------------------------
Define x:
----------------------------------------------------------------
Let the number be x

----------------------------------------------------------------
Construct Equation :
----------------------------------------------------------------
x- 18 = 7x

----------------------------------------------------------------
Take away x from both sides :
----------------------------------------------------------------
-18 = 7x - x

----------------------------------------------------------------
Combine like terms :
----------------------------------------------------------------
-18 = 6x

----------------------------------------------------------------
Switch sides :
----------------------------------------------------------------
6x = -18

----------------------------------------------------------------
Divide by 6 on both sides :
----------------------------------------------------------------
x = -3

----------------------------------------------------------------
Answer; The number is -3.
----------------------------------------------------------------

4 0

3 years ago

Read 2 more answers

A part-time shelf stocker made $8912.03 last year. If she claimed herself as

vivado [14]

Answer:a is the answer I’m sure it is

5 0

3 years ago

Read 2 more answers

Carl ran 27 miles last week. This is 3 times farther than Anna ran. Which equation can be used to find how many miles Anna ran?

nikklg [1K]

27×3=81 pope this helps!!!!!!: )