Question

5/2x + 3 = 21/2 solve it ................

Answer 1

Answer:

Step-by-step explanation:

5/2x+3=21/2

5/2x+6x=21/2

Now

5+6x/2x=21/2

So

5+6x=21×x

5=21x-6x

5=15x

5/15=x

1/3=x

Hope it helps you

Answer 2

$\frac{5}{2} x + 3 = \frac{21}{2} \\ \\ = \geqslant multiplying \: both \: side \: by \: 2 \\ \\ = \geqslant 2( \frac{5}{2} x + 3) = 2( \frac{21}{2} ) \\ \\ = \geqslant 5x + 6 = 21 = \geqslant 5x = 21 - 6 \\ \\ = \geqslant 5x = 15 = \geqslant x = 15 \div 5 \\ \\ = \geqslant 3 \: answer$