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emmainna [20.7K]
3 years ago
7

Which expression is equivalent to 3 x + 2 + 5 x − 4 ?

Mathematics
2 answers:
abruzzese [7]3 years ago
7 0
2(4x-1) or are you doing it differently?
Lunna [17]3 years ago
6 0

Answer:

8x - 2

Step-by-step explanation:

well i solved it by doing 3x +5x to get 8x then subtract -4 +2 to get -2

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kherson [118]

Answer:

∠GJK is 22°

Step-by-step explanation:

Because the shape is a rectangle we know that GH is parallel to JI

This means that because of the alternate angle rule we know that

5x+8 = 7x-16

Then we solve for x

5x+8-5x = 7x-16-5x

8+16=2x-16+16

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So this means that ∠HJI is 68°

Because the shape is a rectangle we know that ∠GJI is a right angle

This means that ∠GJK is 90-∠HJI because of the angles on a right angle rule

90-68 =22

∴∠GJK is 22°

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