3 years ago

Wirte an expression that should have a variable and a constant

Mathematics

2 answers:

e-lub [12.9K]3 years ago

7 0

7x+5
Hope this helps

a_sh-v [17]3 years ago

6 0

Variable could be anything which can be defined by an Alphabet only whereas Your constant would be any real number.

An Example of Your question could be: x + 2

Hope this helps!

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Akimi4 [234]

Answer:

101

Step-by-step explanation:

3^4 = 81

4 x 5 20

81 +20 = 101

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2x-y=3 -x-y=3 what does this equal system of equations

Jet001 [13]

Topic : Linear equations in two variables.

Given :

2x - y = 3 ––– (i)
- x - y = 3 ––– (ii)

Solution :

Now,

(i) – (ii)

$\qquad \sf \: { \dashrightarrow 2x - y - ( - x - y) = 3 - 3}$

$\qquad \sf \: { \dashrightarrow 2x - y + x + y) = 3 - 3}$

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$\qquad \bf \: { \dashrightarrow x = 0}$

Now, substituting the value of x in Eq (i) :

$\qquad \sf \: { \dashrightarrow 2x - y = 3 }$

$\qquad \sf \: { \dashrightarrow 2(0)- y = 3 }$

$\qquad \sf \: { \dashrightarrow 0- y = 3 }$

$\qquad \bf \: { \dashrightarrow y = - 3 }$

Therefore,

The value of x = 0 and y = -3

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