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3 years ago

6

How do you answer 5x+8=2x+3

2 answers:

Gelneren [198K]3 years ago

8 0

Solving for x
5x - 8 = 2x + 7
subtract 2x from both sides
5x - 2x - 8 = 2x - 2x + 7
3x - 8 = 7
add 8 to both sides
3x - 8 + 8 = 7 + 8
3x = 15

divide both sides by 3
3x/3 = 15/3
x = 5
Check answer by replacing x with 5 in the orginal equation
5x - 8 = 2x + 7
5(5) - 8 = 2(5) + 7
25 - 8 = 10 + 7
17 = 17

liberstina [14]3 years ago

5 0

X= -5/3 (negative five thirds)

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