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 ▸

Factorise y^2 + 7y + 6


Make d the subject of the formula: 3d + dxy = 4


Solve the equation x ^2>=3(x + 6)


Tony buys 12 apples and 7 pears for £10.90. An apple costs 20p less than a pear. What would be the cost of 4 apple and 9 pears?