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UNO [17]
3 years ago
13

Marlena solved the equation 2x 5 = –10 – x. her steps are shown below. 2x 5 = –10 – x 3x 5 = –10 3x = –15 x = –5 use the drop-do

wn menus to justify marlena’s work in each step of the process. step 1: step 2: step 3:
Mathematics
2 answers:
kipiarov [429]3 years ago
8 0

Answer:

Step-by-step explanation:

step 1. addition property of equality

step 2. subtraction property of equality

step 3. division property of equality

Korvikt [17]3 years ago
3 0
We are asked to evaluate Marlena's solution in solving the expression below: 2x+5 = -10 -x
The first step is to re-write the expression and transpose same terms in the left side while all numbers are transferred to the right side such as shown below:
Step 0: 2x+5 = -10 -x
Step 1: 2x + x = -10 -5
Step 2: 3x = -15
Step 3: x =-15/3
The answer is x=-5.
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