132k views
5 votes
(U1.02 LV)
Solve for x: (x+16) = 3x
Ox=-7
Ox= -13
O x = 8
Ox=2

User Davydepauw
by
7.0k points

1 Answer

1 vote

(x+16)= 3x

pretend that there is a +1 in front of the bracket

1(x+16)= 3x

mutiply the bracket by 1

(1)(x)= x

(1)(16)= 16

x+16= 3x

Move x to the other side

Sign changes from +x to -x

x-x+16= 3x-x

0+16= 3x-x

16= 3x-x

16= 2x

divide both sides by 2

16/2= 2x/2

x= 8 - Answer

User Girdeux
by
6.8k points