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3 years ago

Is the expression 3x+2x−4 in simplest form

Mathematics

2 answers:

stich3 [128]3 years ago

7 0

No, because you would have to simplify like terms. Which the simplest form would be
5x-4

klio [65]3 years ago

6 0

No, because you can add the 3x and the 2x. They can be added together because they have the same unit. It's like saying I have 3apples plus 2 apples, but I can actually just say I have 5 apples.

3x+2x-4 in simplest form is 5x-4.

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What algebraic expression represents GK?

dsp73

Answer:

Part a) GK=(7x+1)

Part b) GH=5 units and JK=8 units

Step-by-step explanation:

Part a) what algebraic expression represents GK?

we know that

GK=GH+HJ+JK

step 1

Find GH

we have

GH=GJ-HJ

substitute the given values

GH=(2x+3)-x=x+3

step 2

Find JK

JK=HK-HJ

substitute the given values

JK=(6x-2)-x=5x-2

step 3

Find GK

GK=GH+HJ+JK

we have

GH=x+3

HJ=x

JK=5x-2

substitute

GK=(x+3)+x+(5x-2)

GK=(7x+1)

Part b) If GK=15, what are GH and JK?

we know that

GK=(7x+1)

For GK=15

substitute the value of GK and solve for x

15=(7x+1)

7x=15-1

7x=14

x=2

Find the value of GH

GH=x+3

substitute the value of x

GH=2+3=5 units

Find the value of JK

JK=5x-2

substitute the value of x

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Step-by-step explanation:

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