So 3x 120 - 20x 52 and -17x 120 52. 4x 2 x 8 expand the brackets. Solve the two simultaneous equations.
Increasingly Difficult Questions - Simultaneous Equations.
Substitute both the values into the other equation. Click below for the Simultaneous Equations Worksheet Generator which provides limitless questions for practice. Substitute both the values into the other equation. 15 - 3 12.