imaniee19 imaniee19

22-01-2020
Mathematics

contestada

9a-2b = -8
-7a + 3b = 12

Respuesta :

hirafathima358 hirafathima358

22-01-2020

9a-2b=-8.....1
-7a+3b=12.....2

So,
1 equation into 3 and 2 equation into 2.

Then,
18a-6b=-24
-14a+6b=24.

4a=0 a=0 .

Substitute a value in 2 equation.

b=4.

Hope it helped

Answer Link

Otras preguntas

write a function rule that represents the relationship between x and f(x)photo below:

Answer please! ASAP. Ty!

Alguien me ayuda con estas figuras retoricas, son para mi proyecto, muchas gracias. :D

PLEASE ANSWER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

Amanda is 160 cm tall. She is 10 cm taller than her younger sister Carl a. Which of the following equations can be used to find x? X + 10 = 160 X + 160 = 10 X -

I WILL GIVE U BRAINLIEST AND THANKS AND 5 STARS please help this is very important this is a big part of my grade

help me please this is urgent!

the area of the parking space shown at the right has an area of 156 ft squared a custom truck has regular dimensions 12.5 ft by 5.3 ft can the truck fit into th

Anyone thats smart ash amosc rvcklessray and Ill $$ you please

Which is the BEST summary of the passage? 1) Valjean appeals to the Bishop for food and lodging and is surprised and overcome when the Bishop generously consent