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x + 5 -5 = 10 -5
x = 5
b.
x - 6 + 6 = 8 +6
x = 14
c.
2n -n = n - n - 5
n = -5
d. ini 2 variabel ?
5a -4P = 6 + 4P - 4P
5a - 4 P = 6
e.
x + - 8/7 = 0
x + - 8/7 + 8/7 = 0 + 8/7
x = 8/7
f.
3x + - 8/7 = 0
3x + - 8/7 + 8/7 = 0 + 8/7
3x = 8/7 -----> di kali 7 biar pecahannya ilang
21 x = 8
x = 8/21
x = 10 - 5
x= 5
b. x - 6 = 8
x = 8 + 6
x= 13
c.2n = n - 5
2n -n = -5
n= -5
d. 5a = 6 + 4p
a= 6 +4p
----------
5
e.x + -8/7 =0
x=8/7
f. 3x + -8/7 = 0
3x=8/7
x=8/7/3
x=8/21