Question

The interior of a triangle is `5x+6°, 8x+7°`, and `76°`. What is the value of `x`?

Answer 1

`x=7`

Explanation:

The interior angles of a triangle add up to `180^0`

`:.5x+6+8x+7+76=180`

now we solve for `x`

`13x+89=180`

`13x=180-89=91`

`=>x=91/13=7`