Rearrange the following to make 'W' the subject: aw + 3 = 4(bw + 5)
aw + 3 = 4(bw + 5) Let's get rid of those brackets...
aw + 3 = 4bw + 20 Now we rearrange...
aw - 4bw = 17 Factorise...
w(a - 4b) = 17 Final rearrange...
w = 17 / (a - 4b) Done.
JM
Related Maths GCSE answers
All answers ▸Rationalise the denominator of 2/(3-sqrt(2)).
f(x) = (2x+3)/(x-4). Work out f^-1 (x)
Kieran, Jermaine and Chris play football. Kieran has scored 8 more goals than Chris. Jermaine has scored 5 more goals than Kieran. Altogether they have scored 72 goals. How many goals did Jermaine score?
A scalene triangle has 3 angles ABC in degrees, where A = (3x + 7), B = (4x + 5), C = (x + 8). Find the value of largest angle.