How do you simplify 2x - 5- ( - 5x + 7)2x−5−(−5x+7)?

2 Answers
Krutarth · Mahek ☮
Mar 18, 2018

7x-127x−12

Explanation:

2x - 5 - ( -5x+7)2x−5−(−5x+7)

=> 2x-5 + 5x -7⇒2x−5+5x−7

(as -(-5x+7)= -1(-5x+7)=> -1x-5x+ -1x+7)(as−(−5x+7)=−1(−5x+7)⇒−1x−5x+−1x+7)

=>2x+5x-5-7⇒2x+5x−5−7

=>(2+5)x-(5+7)⇒(2+5)x−(5+7)

=7x-12=7x−12

Shreya
Mar 18, 2018

see below

Explanation:

We have, 2x-5-(-5x+7)2x−5−(−5x+7)
Or, 2x-5+5x-72x−5+5x−7
Or, 7x-127x−12 is the simplified version of the given expression

Related questions
Impact of this question
2148 views around the world
You can reuse this answer
Creative Commons License