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Archy [21]
3 years ago
15

Which equation is an identity?

Mathematics
2 answers:
irinina [24]3 years ago
7 0
The equation that represents an identity is <span>
3w + 8 – w = 4w – 2(w – 4). w = 8</span>
3241004551 [841]3 years ago
5 0

Answer:

The correct option is 2.

Step-by-step explanation:

The equations that are true for any value of the variable, no matter what value is plugged in for the variable, then they are called Identity equations.

The first equation is

7m-5=8m+7-m

7m-5=7m+7

Subtract 7m from both the sides.

-5=7

This statement is false for any value of m. Therefore this is not an Identity equation.

The second equation is

3w+8-w=4w-2(w-4)

Using distributive property,

2w+8=4w-2w+8

2w+8=2w+8

0=0

This statement is true for any value of w. Therefore this is an Identity equation.

The third equation is

9-(2v+3)=-2v-6

9-2v-3=-2v-6

-2v+6=-2v-6

6=-6

This statement is false for any value of v. Therefore this is not an Identity equation.

The fourth equation is

-3y+3=-3y-6

Add 3y on both the sides.

3=-6

This statement is false for any value of y. Therefore this is not an Identity equation.

Hence the correct option is 2.

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Answer:

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Step-by-step explanation:

(0,-1) will work because when you plug them is it is equivalent to 4

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Answer:

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7 0
2 years ago
Read 2 more answers
11b-12&lt;-100
ruslelena [56]

Answer:

ok wait which symbol? this (<)?

well it should stay the same since -100 is greater than the 11b-12

LHS=RHS

11b÷11b b must cancell b also do the same on -12. -12÷11 will give u a lesser value compared to -100

prove me wrong

4 0
3 years ago
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