Forming and Solving Equations

The sizes of the angles, in degrees, of a triangle are $2 x + 9$ , $x + 13$ and $x - 8$

A triangle with three interior angles labeled: 2x + 9, x + 13, and x - 8.

Work out the value of $x$ .

[3]

The sizes of the angles, in degrees, of a triangle are $2 x + 9$ , $x + 13$ and $x - 8$

A triangle with three interior angles labeled: 2x + 9, x + 13, and x - 8.

Work out the value of $x$ .

[3]

Forming and Solving Equations Questions