Question

simplify these expression and find their values if x=3, a=-1,b=2 (a) 3x-5-x=9​

Answer 1

Answer:

Given,

x = 3 , a = - 1 , and b = 2

so

$3x - 5 - x = 9 \\ \\ = > 3(3) - 5 - 3 = 9 \\ \\ = > 9 - 5 - 3 = 9 \\ \\ = > 4 - 3 = 9 \\ \\ = > 1 = 9$

☺

Answer 2

Given= x=3
a=(-1)
b=2

And equation is 3x-5-x=9



::
3x-5-x=9
3(3)-5-(3)=9. ::x=3
9-5-3-9=0
-5-3=0
-8=0
0=8


:: let’s verify
3x-5-x=9
2x=9+5
x=14/2
x=7




Hence done
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