Ex 1 :
b) 6x = 15
x = 15/6
c) - 7x = 49
x = - 49/7
d) 2x = 7x + 11
- 5x = 11
x = - 11/5
e) -3x = 21+4x
-7x = 21
x = - 21/7 = -3
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Ex 1 :
b) 6x = 15
x = 15/6
c) - 7x = 49
x = - 49/7
d) 2x = 7x + 11
- 5x = 11
x = - 11/5
e) -3x = 21+4x
-7x = 21
x = - 21/7 = -3