escalantesilvia escalantesilvia

03-10-2017
Mathematics

contestada

A and B are supplementary angles. If A = 7x - 18 and B = 8x + 3, find x

Respuesta :

choixongdong choixongdong

03-10-2017

supplementary angles, sum = 180
7x - 18 + 8x + 3 = 180
15x - 15 = 180
15x = 195
x = 13

answer
x = 13

Answer Link

Otras preguntas

can someone pls help with this, I would appreciate it

PLEASE HELP. Find the measure of each angle in the isosceles trapezoid.

A reaction yields 8.77 g of a product. What is the percent yield if the theoretical yield is 14.80 g?

PLEASE HELPPPPP WILL GIVE BRAINLIEST!!

Which of the following is NOT true of the Dutch regarding religious practices in their New World colonies?

A train is moving at a speed of 60km/hr. How far it it will travel in 30 minutes.

297/1000 in simplest form

What was Sherman's strategy called and what does it mean?

evaluate the expression when n=5 n^(2)-6n 6

I'M stuck with the problem