naomiloveskpop naomiloveskpop

03-04-2019
Mathematics

contestada

if -2x+3=7 and 3x+1=5+y,the value of y is

Respuesta :

wolfbaby109 wolfbaby109

03-04-2019

Answer:

X= -1

Step-by-step explanation:

If (x,y) = (-1, -4), you have 5(-1) - 3(-4) = 7 and -3(-1) - 5(-4) = 23, both of which are true statements. So x = -1.

Answer Link

Otras preguntas

Which condensed structural formula represents an unsaturated compound? (1) CH3CHCHCH3 (3) CH3CH3 (2) CH3CH2CH3 (4) CH4

What is an amendment?

How many justices are on the Supreme Court?

How do you multiply a decimal? For exapmple,2.4 times 3.5

Help solve the following equation: 20.6 + 2.1x = -8.2x

The price of play equipment for the school has just been reduced by 25%. The new , reduced price of the play equipment is 1500. What is the original price befor

A bird flies 2.8 due west and then 2.7 due north. Another bird flies 2.7 due west and 2.8 due north. What is the angle between the net displacement vectors for

Which element reacts spontaneously with 1.0M HCl (aq) at room temperature? (1) copper (3) silver (2) gold (4) zinc

A large passenger aircraft accelerates down the runway for a distance of 3300 m before leaving the ground. It then climbs at a steady 6.3 degree angle.After the

The excitation of an electron on the surface of a photocell required 5.0 x 10 –27 J of energy. Calculate the wavelength of light that was needed to excite the e