SOLUTION: Could you please tell me the answer to this problem and how to solve it. I am tutoring an 8th grade student and I am not good at algebra and don't know how to solve it myself, let

Question 1003381: Could you please tell me the answer to this problem and how to solve it. I am tutoring an 8th grade student and I am not good at algebra and don't know how to solve it myself, let alone explain it to the student.
5x + 7 = 3x - 21
Thank you in advance for your help.
Found 2 solutions by josgarithmetic, Alan3354:
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Additive Inverse of 3x for Addition Property of Equality.
Additive Inverse of 7 for Addition Property of Equality.
Multiplicative Inverse for 2, for Multiplication Property of Equality.

Result will give .
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
5x + 7 = 3x - 21
--------
Subtract 3x from each side.
2x + 7 = -21
Subtract 7
2x = -28
Divide by 2
x = -14
============================
How were you selected to be the tutor?
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