If f(x) = 2x+5, g(x) = 8x-7 and f(x)=g(x). Find the value of x. Show your working.
f(x) = g(x), 2x+5=8x-7, 12=6x, 6x=12 therefore, x=2.
NR
Related Maths GCSE answers
All answers ▸Jon and Nik share money in the ratio 5 : 2 Jon gets £150 more than Nik. How much money do they share altogether?
There are 10 boys and 20 girls in a class. The class has a test. The mean mark for all the class is 60. The mean mark for the girls is 54. Work out the mean mark for the boys.
y=6x+2 Find the gradient of the line and the y intersect
Expand (x+3)(x+2)