You would need to know what a is equal to in order to calculate this equation.
Chat with our AI personalities
A = 6
9=4a+13 9-13=4a -4=4a -4/4=a -1=a a=-1
a+a+a+a = 4a Because there're 4 a's so that equals = 4a
They appear to be the equations of two parallel lines in the a-b plane.
4a x 3