Answer:
y = -4
Explanation:
First, multiply 5 on both sides of the equation.
x 5 = 3 x 5
It becomes -2y+7 = 15.
Now, subtract 7 from both sides.
-2y+7 - 7 = 15 - 7
It becomes -2y = 8
Finally, divide both sides by -2
-2y =
Your answer is y = -4.
I used a calculator app called symbolab, really helpful with this type of stuff, it also explains the answer that it calculates
8.4m questions
11.1m answers