4 years ago

Ernesto tried to determine the solution for the system of equations using substitution. His work is shown below.

Mathematics

2 answers:

Nikolay [14]4 years ago

7 0

Answer:

Its actually STEP 3

The person above is incorrect :/

defon4 years ago

4 0

The answer is step 3. Step 2 is suppose to be 3 x 7 and the answer is 21 but he writes 7 in step 4

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inn [45]

Answer:

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3 years ago

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goblinko [34]

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3 years ago

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