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CBSE Class 6 Answered

in this example here is written An equation is an equality between two algebraic expressions. For example, 3x + 7 = 9b please explain me this example
Asked by sktcsam | 02 Oct, 2015, 06:49: AM
answered-by-expert Expert Answer
G i v e n space e x p r e s s i o n space i s space 3 x plus 7 equals 9 b H e r e space x space a n d space b space a r e space t h e space v a r i a b l e s space a n d space h e n c e space t h e space v a l u e s space o f space x space a n d space b space m a y space v a r y. C o n s i d e r space m u l t i p l y i n g space t h e space v a l u e space o f space apostrophe x apostrophe space b y space 3 space N o w space c o n s i d e r space a d d i n g space t h e space p r o d u c t space apostrophe 3 x apostrophe space w i t h space 7. T h u s space t h e space v a l u e space o f space t h e space e x p r e s s i o n space o n space t h e space l e f t space h a n d space s i d e equals space 3 x plus 7 N o w space c o n s i d e r space m u l t i p l y i n g space t h e space v a l u e space apostrophe b apostrophe space b y space 9. T h u s space apostrophe 9 b apostrophe space i s space t h e space v a l u e space o f space t h e space e x p r e s s i o n space o n space t h e space r i g h t space h a n d space s i d e I f space t h e space v a l u e s space 3 x plus 7 equals 9 b comma space t h e n space e q u a t i o n space i s space s a i d space t o space b e space s a t i s f i e d.
Answered by Vimala Ramamurthy | 02 Oct, 2015, 12:21: PM

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