i'm not the greatest at algebraic expressions.
Thank you for the opportunity to help you with your question!
assuming that your expression 2x + 7(3x) is equal to 0
then opening the parenthesis will give us;
2x + 21x = 022x = 0
2x + 21x = 0
22x = 0
dividing both sides of the equation above by 22;
22x/22 = 0/22
then the value of x = 0
I hope i served you well.
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