How do you simplify #-126= - 2x - 2( 4x + 13)#?

Question

1015 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-09-27T00:43:09

#x=10#

Solve for #x#

#-126=-2x-2(4x+13)#

Distribute

#-126=-2x-8x-26#

#-126=-10x-26#

Add 26 on both sides

#-126+26=-10x-26+26#

#-100=-10x#

Divide -10 on both sides

#-100/-10=-10x/-10#

Final:

#10=x#

Check:

#-126=-2(10)-2[4(10)+13]#

#-126=-20-2(40+13)#

#-126=-20-106#

#-126=-126#