bianca1286 bianca1286

18-02-2020
Mathematics

contestada

Decide which variable to isolate. Then substitute for this variable, and solve the system. y = x - 5, x + y = 9

Respuesta :

igoroleshko156 igoroleshko156

18-02-2020

Answer:

x = 7

y = 2

Step-by-step explanation:

x + y = 9 but y = x - 5

x + (x - 5) = 9

2x - 5 + 5 = 9 + 5

2x/2 = 14/2

x = 7

y = x - 5

y = (7) - 5

y = 2

Answer Link

Otras preguntas

Why does an analysis of all an animal’s genes reveal more about its classification than studying its visible features or behavior?

For a population with μ = 60 , z-score =3.15, and σ = 10. Find random variable / data value X . Round your answer to the nearest hundredths place. Round your an

Fill in the blanks with the correct form of the verb in parentheses. Remember you will need a pronoun AND a verb in the spaces. The first one has been done for

you have 32 tbsp of peppercorns you need 2 teaspoons to make one serving of cajun seasoning how many servings can u make

3. Match the polynomial to it's correct name. 1. Quadratic trinomial 2. Cubic monomial 3. Linear binomial 4. Quartic trinomial a. h(x) = 15x+2 b. j(x)=x²-3x³ +

what is the percentage of change from 12 to 19

The Triple Alliance and Triple Entente were formed through the signing of

help me solve this please

Sucrose decomposes to fructose and glucose in acid solution. When ln [sucrose] is plotted vs. time, a straight line with slope of -0.208 hr-1 results. What is t

A boat moving at 5 km/h to cross a river in which the current is flowing at 3km/h. in what direction should the boat head to reach a point on the other bank of