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KATRIN_1 [288]
3 years ago
10

1. 4x+3(5y+x)= 2. 7(a−3+4b)= 3. 13+(x+8)= 4. (x)(6+x)−2x=

Mathematics
1 answer:
yanalaym [24]3 years ago
4 0

I cannot simplify these to where I have one answer.

4x+3(5y+x)

4x+15y+3x

7x+15y

7(a-3+4b)

7a-21+28b

13+x+8

21+x

x(6+x)-2x

6x+x-2x

7x-2x

5x

---

hope it helps

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vesna_86 [32]

Answer:

x=14

Step-by-step explanation:

1 way

Step 1: Subtract 3/4x from both sides.

1/4x − 5 − 3/4x=3/4x−12−3/4x

−1/2x−5=−12

Step 2: Add 5 to both sides.

−1/2x−5+5=−12+5

−1/2x=−7

Step 3: Multiply both sides by 2/(-1).

(2/−1)*(−1/2x)=(2/−1)*(−7)

2nd way

Add 5 to both sides

1/4x - 5+5 = 3/4x - 12+5

Simplify

1/4x = 3/4x -7

Subtract 3/4x from both sides

1/4x-3/4x= 3/4x-7-3/4x

Simplify

-1/2x=-7

Multiply both sides by -2

(-1/2x)(-2)=(-7)(-2)

x=14

sorry it to so long

the second picture is not acceptable

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