Lori had \$88$88dollar sign, 88. She earned \$29$29dollar sign, 29 walking dogs. After she spent money for concert tickets, Lori has \$74$74dollar sign, 74 remaining. Estimate how much money Lori spent for concert tickets.

$43

Step-by-step explanation:

Given

Required

Calculate the amount spent

First, we need to calculate the total amount she had.

Represent amount spent with x.

The relationship between total amount, spending and amount left is:

Collect Like Terms

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2