02-11-2015
Mathematics

contestada

solve 7(z +2) - 3z =44

Respuesta :

davidyangnyc davidyangnyc

02-11-2015

distribute 7:
7z+14-3z=44
4z+14=44
4z=30
z=15/2

Answer Link

02-11-2015

7(z +2) - 3z =44
Distribute the 7. Distributive property: a(b+c) = ab + ac

7z + 14 - 3z = 44
Simplify like terms.

4z + 14 = 44
Subtract 14 to both sides

4z = 30
Divide by 4 on both sides.

z = 7.5

Answer Link

Otras preguntas

Eric has 240 coins in his collection 11/20 of the coins are pennies 4/20of the coins are nickels the rest of the coins are quarters How many quarters are there

is global warming real?

Carolyn has just retired, and has 400000 dollars in her retirement account. The account will earn interest at an annual rate of 6 percent, compounded monthly. A

DDDDDDDDDDDDDDDDDDDDDDDDDDDDD

solar heater uses energy from the sun to heat water. The heater's panel is painted black --- A. improve emission of infrared radiation B. reduce the heat

If k=p+2q/3 find the value of p when k=7 and q=9

if the temperature drops by 5 degrees Celsius from 3 degrees Celsius what is the new temperature

Hello I need help with this activity Using sin, cos and tan Help me please

the muscles affecting the movement of the shoulder include the

Simplify (5p-q)(2p^-3pq-2q^)