Solve: 7x - 20 = 3x + 4

7x = 3x + 24 4x = 24 x = 24/4 x = 6

AG

Related Maths 13 Plus answers

All answers ▸

Solve the following simultaneous equation: 3x+2y=20 and x+4y=20


At the shop, Max buys 5 juice boxes and 12 sweets which costs him £1.34 in total. If x represents the cost of one juice box (in pence) and y represents the cost of one sweet (in pence), write out an equation, in terms of x and y, to show this


What is the difference between the two threes in the number 357.235?


Simplify: 4x + 5y + 6x -7y