Solve the Linear Equation: 5+2a+4 Step-by-Step

Question

$5+2a+4=$

00:00 Solution

00:03 Use the commutative law and arrange the exercise in order to make it easier to solve

00:09 Solve according to the order of operations, solving from left to right

00:18 Each time solve the leftmost operation and then continue

00:25 Here is the solution

Given that in the exercise there is only one addition operation, the substitution property can be used:

$5+4+2a=$

We solve the exercise from left to right:

$5+4=9$

Now we obtain:

$2a+9$

$2a+9$