Rearrange 4(2x + y) = 11 + 7y to make x the subject
4(2x + y) = 11 + 7y expand the brackets8x + 4y = 11 + 7y move +4y to the other side8x = 11 + 3y move 8 to the other sidex= (11 + 3y)/8
AY
Related Maths GCSE answers
All answers ▸(Economics A-level) Is the cross elasticity of demand for tea likely to be positive or negative following a rise in the price of milk? Explain your answer
A gardener uses this formula to work out how much he charges to make a lawn. C = (7(14+A))/3. C is the charge in £, A is the area in m^2. He makes a rectangular lawn measuring 12.5 m by 17.6 m. How much does he charge? [3 marks]
How do you solve these simultaneous equations? 4x + 5y = 8; 2x + 3y = 5
How do I find the equation of a straight line from a graph?