Question

3 (x+7) =42 solve the equations and check the result

Answer 1

3 x + 21 = 42
3x = 42- 21.
3 x = 21
x = 21/3
x= 7

Answer 2

$<b>HELLO !$

Hi, here ur answer

3(x+7)=42

==>3x+21=42

==>3x=42-21

==>3x=21

==>x=21/3

==>x=7

SO, X is 7

TO CHECK THE ANSWER

REPLACE THE VALUE OF X IN 3(x+7)=42

3(7+7)=42

3×14=42

42=42

SO, LHS and RHS are EQUAL.

☺️☺️☺️☺️ I HOPE ITS HELP YOU☺️☺️☺️


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