Forming and Solving Equations

70%

The lengths, in cm, of the sides of a triangle are $3 x + 1$ , $2 x + 4$ and $4 x - 2$ .

a.

Write down an expression, in terms of $x$ , for the perimeter of the triangle.

[2]

b.

The perimeter of the triangle is 48 cm. Work out the value of $x$ .

[2]

70%

The lengths, in cm, of the sides of a triangle are $3 x + 1$ , $2 x + 4$ and $4 x - 2$ .

a.

Write down an expression, in terms of $x$ , for the perimeter of the triangle.

[2]

b.

The perimeter of the triangle is 48 cm. Work out the value of $x$ .

[2]

Forming and Solving Equations Questions