2 years ago

A. 5x - 2 = 8b. 4x - 3= 2x + 9C. 6x + 3 = 2x + 8

Mathematics

1 answer:

Elena L [17]2 years ago

4 0

Answer:

a) x=2

b)x=12

c)x=5/4

Step-by-step explanation:

a)5x-2=8

5x=8+2

5x=10

x=2

b)4x-3=2x+9

4x-2x=9+3

2x=12

x=6

c)6x+3=2x+8

6x-2x=8-3

4x=5

x=5/4

Proof:

a)5x-2=8

5(2)-2=8

10-2=8

8=8

b)4x-3=2x+9

4(12)-3=2(12)+9

48-3=24+9

45=45

c)6x+3=2x+8

6(5/4)+3=2(5/4)+8

30/4+3=10/4+8

15/2+3=5/2+8

10.5=10.5

Hope this helps ;) ❤❤❤

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A. 5x - 2 = 8b. 4x - 3= 2x + 9C. 6x + 3 = 2x + 8​

A. 5x - 2 = 8b. 4x - 3= 2x + 9C. 6x + 3 = 2x + 8