Question

please solve q 12 -answer is given in bracket

Answer 1

Hey

Here is your answer,

4x-7=3x+5

4x-3x=5+7

x=12

Perimeter of a square =( 4x-7)+(4x-7)+(3x+5)+(3x+5)

=4x-7+4x-7+3x+5+3x+5

=8x+6x -14+10

=14x-4

=14x12-4

=168-4

=164

Side =4x-7

=4x12-7

=48-7

=41cm

Hope it helps you!