Then, subtract 3x from both sides to get all the x’s on one side of the equation.
Finally, divide both sides by 4 to isolate x.
Exercise
vii. 5 a − 6 = −11
viii. 6 y + 3 = y + 38
ix. 18 = −6x + 4(3x − 3)
x. If 5 a = b, what is a in terms of b?
xi. If 2 xy = 8y, what is x in terms of y?