A student solved the equation 2x+2=10 using algebra tiles. She incorrectly says the solution is 6 . Solve the equation. What mis take might the student have made?
2 answers:
Answer:
she added 2 instead of subtracting it. the answer is x=4
Step-by-step explanation:
10+2=12
12/2=6
Answer:
Step-by-step explanation:
2x+2=10 subtract 2 from each side
2x=8 divide each side by 2
x=4 is the correct solution.
Her error was most likely subtracting 2 from the left and adding 2 to the right
2x+2=10
2x=12
x=6
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