Solve 7(x-5)=25-3x

Firstly, expand the left hand side of the equation out to produce: [7x-35=25-3x]. Bring all the x's to one side (to form 10x=60). Divide both sides by 10 to find the solution for x [x=60/10]. Therefore, x=6

JJ

Related Maths GCSE answers

All answers ▸

Solve 5x - 2= 3x + 7


Sketch the curve y=4-(x+3)^2, showing the points where the curve crosses the x-axis and any minimum or maximum points.


Solve this quadractic equation: x^2 - 8x + 15 = 0


From June 2015 Edexcel paper: Solve 7x + 8 = 2x – 3