Answer:

Step-by-step explanation:

Cancel 4c on both the sides of the equation.

Bring the 2 in the denominator of 11/2 to the left hand side of the equation.

Bring 4 to the right hand side if the equation.


7+3x=2x+2
Send constants to one side and others to one side
3x-2x=2-7
x=-5
Answer:
25.2 minutes
Step-by-step explanation:
step 1
Find the area of the given wall

step 2
we know that
You can paint 75 square feet of a surface every 45 minutes
so
using proportion
Find out how long it takes you to paint a surface area of 42 square feet

Answer:
16
Step-by-step explanation: