y = 2x + 5, Calculate x when y = 4

y = 2x + 5 y = 4, therefore 2x + 5 = 4 2x = 1 x = 1/2

JT

Related Maths GCSE answers

All answers ▸

Factorize the following expression and solve for x: X^2 +7X +10=0


How can I use the Pythagoras' Theorem to work out the length of a missing side of a triangle?


Find the nth term in the series: 3, 7, 11, 15, 19


Prove algebraically that the straight line with equation x - 2y = 10 is a tangent to the circle with equation x^2 + y^2= 20