Answer:
x= -3
Step-by-step explanation:
mutliply the -3 to parentheses.
-3x+12 = 21
-3x = 21-12
/-3
x= 9/-3
x= -3
Answer:
-10/1 is simplified for 30/3
hope this helps
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Answer:
-12
Step-by-step explanation:
-12 + 17 is 5. x = 5
From the steps shown in the table given, we can conclude that: D. in solving the equation, the subtraction property of equality was not applied.
<h3>What is the Subtraction Property of Equality?</h3>
If a + b = c, to apply the subtraction property of equality so that b is moved to the other side of the equation, we would have:
a + b - b = c - b
a = c - b
Thus, from the table given, the none of the steps showed that the subtraction property of equality was applied in solving the equation, so, the answer is: D.
Learn more about the subtraction property of equality on:
brainly.com/question/1601404
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