Question

Solve the equations.
A. 6z + 3 = 15 and
B. 21x - 4) + 5 = 11​

Answer 1

Answer:

z=2 b. x=12/21

Step-by-step explanation:

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Answer 2

Answer:

A.z=2

B.x=10/21

Step-by-step explanation:

A.6z+3=15

6z=15-3

6z=12

z=12/6

z=2

B.21x-4+5=11

21x+1=11

21x=11-1

21x=10

x=10/21