erinveri100 erinveri100

02-02-2021
Mathematics

contestada

Solve the simultaneous equations
8x + 3y = 45
2x + 3y = 27

Respuesta :

kirabowen15 kirabowen15

02-02-2021

8x + 3y = 45 * -2
2x + 3y = 27 * 8

-16x - 6y = 90
16x + 24y = 216

24y = 216
y = 216/24
y = 9

8x + 3y = 45
8x + 3(9) = 45

8x + 27 = 45
8x = 45 - 27
8x = 18
x = 18/8
x = 2.25

Answer Link

Otras preguntas

In a dihybrid cross between RrTt and RRtt, what are the genotype and phenotype ratios of the offspring, assuming R and T are dominant? I did the punnett square

In a molecule of water, how many electrons are shared between each hydrogen atom and an oxygen atom? one two four

Who was our 16th president

which property is illustrated by the following statement? if hxa =rgi, then rgi =hxa

a factory bottles 511 bottles of juice in 7 minutes. find the factory's unit rate of bottles per minute

why are political parties created?

which type of stress develops out of boredom and a daily lack of motivation

if joelle multiplied 792 by a positive integer and came up with a perfect square, what is the smallest integer she could have multiplied by?

What do some opponents of the decision to drop the atomic bomb point to s evidence that Japan would have surrendered without the bombs being dropped? The surren

which religion did china introduce into japan?