First you plug in for x,

2(y-3)+y=12

Then you solve for y
2y-5+y=12
-10y+y=12
-9y=12
-9y/9=12/-9
y=-1.333333333333333333333333333333333333333333333333333333333

5 0

2 years ago

Can someone actually help with this not traditional reference angle question please I will give lots of points and will make you

melomori [17]

Answer:

Step-by-step explanation:

β ∈ { 0° , 18° , 180° , 198° }

6 0

2 years ago

Which rational number must be added to3\7to get -3\4 ?

VladimirAG [237]

$\frac{3}{7}+x=-\frac{3}{4}\\\\\frac{3}{7}(\frac{4}{4})+x=-\frac{3}{4}(\frac{7}{7})\\\\\frac{12}{28}+x=-\frac{21}{28}\\\\x=-\frac{21}{28}-\frac{12}{28}\\\\x=-\frac{33}{28}=1\ \frac{5}{28}$

3 0

2 years ago

What is the answer For -6k Plus 7K

Furkat [3]

-6k+7k equals 1k.................................

8 0

3 years ago