Math, asked by shaheenrahaf2, 1 year ago

7(5-x)=3(x-5) I need the working please

Answers

Answered by Sukanyayayayayayayay
1
35-7x=3x-15
35+15=3x+7x
50=10x
10x=50
x=50/10
x=5.


HOPE IT HELPS
Answered by SmãrtyMohït
9
Here is your solution


7(5-x)=3(x-5)   \\ \\ 35 - 7x = 3x - 15 \\  \\ - 7x - 3x =   - 35 - 15 \\  \\  - 10x =  - 50  \\ \\ x =  \frac{ - 50}{ - 10}  \\ x = 5

shaheenrahaf2: But why you cross the negative sign from -50 & -10
Sukanyayayayayayayay: it gets cancelled when you divide 2 negative nos.
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