davard20 davard20

16-02-2018
Mathematics

contestada

What is the solution to this equation 7x-2(x-10)=40

A.x=10
B.x=6
C.x=4
D.x=12

Respuesta :

Kaikerscupcake Kaikerscupcake

16-02-2018

Hey there! :D

7x-2(x-10)=40

Distribute the -2.

-2*x= -2x

-2*-10=20

7x-2x+20=40

5x+20=40

Subtract 20 on both sides.

5x=20

Divide by 5 into both sides.

x=4

I hope this helps!
~kaikers

Answer Link

boss4573 boss4573

22-03-2019

x=4

............................

Answer Link

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