227k views
4 votes
What is the value of x ? Explain step by step please !

What is the value of x ? Explain step by step please !-example-1
User Alborz
by
4.9k points

2 Answers

1 vote
The answer is 21, both 5x-12 and 3x+30 equal 93 when x is substituted with 21.
User Nickgraef
by
4.9k points
2 votes
you can see x on both sides are congruent
input 21 on one side to get: 5 times 21 minus 12 =93
input 21 on side two :3 times 21 plus 30=93
both sides = 93 and are congruent
User Ryota
by
4.7k points