Q. 94.5( 100 Votes )

Simplify and solv

Answer :

Opening the brackets, we write,

15z – 21 – 18z + 22 = 32z -52 -17

15z - 18z - 21 + 22 = 32z - 69

-3z + 1 = 32z – 69
-3z - 32z = -69 - 1
- 35z = -70
35z = 70
z = 2

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