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djverab [1.8K]
2 years ago
9

¿Qué relación hay entre una ecuación y una igualdad? ​

Mathematics
1 answer:
kumpel [21]2 years ago
3 0

Respuesta:

que es una igualdad?

R// es la proposición de equivalencia existenten entre dos exprisiones algebraicas conectadas a através del signo = en la cual, ambas expresan el mismo valor .

¿Qué relación hay entre una ecuación y una igualda?

R// una ecuación solo cumple el igual para determinados valores de la variable; mientras que la igualdad la cumple siempre, sea el valor de la variable.

perdón solo eso se

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The system of equations Y =-3x+2 and Y = 3x-6 is shown on the graph below.
Ira Lisetskai [31]

Answer:

A

Step-by-step explanation:

8 0
3 years ago
Can someone help me with this?
Wewaii [24]
<span>3x+4=y+5, then y+5=3x+4
It is called: reflexive property

-----------------------------
</span>
<span>x = y and y = 10, then x = 10
It is called: equality substitution property  
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7 0
3 years ago
Which could be the first step in solving this system of equations by substitution?
Ainat [17]

Answer:

The first step is to replace the y in y-x=15 with 7x (we can do this because the first equation tells us that they're equal)

solve and get

(2.5,17.5)

or x= 2.5 y=17.5

Step-by-step explanation:

The first step is to recognize that y=7x which means that we can just replace the y in the second equation with 7x

7x-x=15

6x=15

x=2.5

Then we can solve for y

y=7(2.5)

y=17.5

3 0
2 years ago
Which is the standard form of y-3=2(x-4) <br> (A) Y=-2x-5<br> (B)2x-5<br> (C)2x+y=-5<br> (D)2x-y=5
pantera1 [17]

y -3 = 2(x-4)

Use distributive property on the right side:

y - 3 = 2x -8

Add 3 to both sides:

y = 2x -5

The answer is A.

4 0
2 years ago
30+5z+5z=180<br> what is the value of z
Mariulka [41]

Answer:

15

.......................

8 0
2 years ago
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