An angle measures 80° less than the measure of its supplementary angle. what is the measure of each angle?

50° and 130°

Step-by-step explanation:

let one angle be x then the other angle is x - 80

Supplementary angles sum to 180°, thus

x + x - 80 = 180, that is

2x - 80 = 180 ( add 80 to both sides )

2x = 260 ( divide both sides by 2 )

x = 130

The angles are 130° and 130 - 80 = 50°

u = -(6/7)w

step-by-step explanation:

place all values with 'u' on one side of the equation.

4u + 8w = - 3u + 2w

4u + 3u = 2w - 8w

further simplify the equation by solving the addition and subtraction.

7u = - 6w

make 'u' the independent variable by placing its co-efficient on the right-hand side.

u = - (6/7)w

answer: the answer is d