Math, asked by manish6467, 10 months ago

2. 10x + 7 = 3x - 21
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Answers

Answered by Rishika2019

0

Answer:

10 X + 7 =-21-7. 10x-3x=-21-7. 7x = -14 x=-14/7. x=-7

Answered by ishikaroy22

2

Step-by-step explanation:

10 x +7 = 3x -21

10x - 3x = -21 - 7

7x = - 28

x =- 4

checking

L.H.S

10 x + 7

10 (-4) +7

=-40 + 7

= - 33

RHS

3x - 21

= 3(-4) - 21

= -12 -21

= -33

LHS = RHS

verified ✔

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