How do you solve and check your solutions to 11=z2?

2 Answers
Dec 21, 2016

z=22

Explanation:

11=z2
z2=11
multiply both sides 21
(21)(z2)=11(21)
z=22
sustitutez=22
11=222
11=11

Dec 21, 2016

z=22

Explanation:

Let's answer this solve and check this equation step by step

Step 1: Simplify both sides of the equation.
11=(12)z

Step 2: Flip the equation.
(12)z=11

Step 3: Multiply both sides by 21.
2112z=2111

z=22
Check solution
222=11
That's means solution is true