Question

for each value of $u$, determine whether it is a solution to $u + 37 = 45$.

$u$

is it a solution?

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yes

no

6

$circ$

$circ$

13

$circ$

$circ$

82

$circ$

$circ$

8

$circ$

$circ$

Explanation:

Step1: Test u=6

Substitute u=6: $6 + 37 = 43
eq 45$

Step2: Test u=13

Substitute u=13: $13 + 37 = 50
eq 45$

Step3: Test u=82

Substitute u=82: $82 + 37 = 119
eq 45$

Step4: Test u=8

Substitute u=8: $8 + 37 = 45 = 45$

Answer:

$u$	Is it a solution?
13	No
82	No
8	Yes