Question

Can you please find the value of variable given in the photo

Answer 1

i) 5x-2=3x-4
2x=-4+2
x=-2/2=-1

ii) 4/5-x=1/5
4/5-1/5=x
4-1/5=x
3/5=x

iii) 7+4y=-5
7+5=-4y
12=-4y
-3=y

iv) 3x+5(2-x)=20
3x+10-5x=20
-2x+10=20
-2x=10
x=-5

v) x/3+5/2=6
2x+15/6=6
2x+15=36
2x=36-15
x=21/2

vi) x/5+11=1/15
x+55/5=15
x+55=15×5
x+55=75
x=20

vii) (2x+5)=3(3x-10)
2x+5=9x-30
35=7x
5=x

viii) x/2-1=x/3+4

x/2-x/3=5

3x-2x/6=5

x=30

ix)5x-3/4=2x-2/3

15x-9=8x-8

15x-8x=-8+9

7x=-1

x=-1/7

Answer 2

here are all the answers