book Maths Puzzle Numerical Ability

How do you do y= 2x + 3 using substitution?
y= 3x + 1

Read Solution (Total 0)

book Other Question

a scale model of a while is being built. the actual length of the whale is 65 feet. the scale of the model is 2 inches: 3 feet. what will be the length of the model ? Find a polynomial equation of lowest degree with integer coefficients and has 0, 3, and plus/minus sq rt of 2 as zeros. Please, anyone help.