3y = 2x + 15
It is: y = -4x+12
Yes and t = 1 in both equations
no.
Equivalent to what? "3x = 3 + x" is an equation which can be equivalent to other equations, but none is mentioned.
2x+7=3 is an equation. However, 2x=-4 is equivalent. So is x=-2. And an infinite number of others.
It is: y = -4x+12
Yes and t = 1 in both equations
3m + 11n = 3
It is an equation and the value of a is 16
no.
Equivalent to what? "3x = 3 + x" is an equation which can be equivalent to other equations, but none is mentioned.
An equation where X = 18
2x+7=3 is an equation. However, 2x=-4 is equivalent. So is x=-2. And an infinite number of others.
x=1
It is an equation and the value of y is 18
We have no clue what question that equation is asking.
An equation where q = 240