Which algebraic expression is equivalent to the expression below?
2 answers:
Answer:
C) 20x+78
Step-by-step explanation:
9(x-6)+11(x+12)
9x-54+11x+132
20x-54+132
20x+78
Hey there! :)
To find out which algebraic expression is equivalent to our given expression, we must simplify everything out.
9(x - 6) + 11(x + 12)
Simplify by using the rainbow method. This just rids us of our parenthesis.
(9 · x) + (9 · -6) + (11 · x) + (11 · 12)
Simplify!
9x + (-54) + 11x + 132
Add like terms.
(9x + 11x) + (-54 + 132)
Simplify.
20x + 78
So, our equivalent equation is C. 20x + 78
~Hope I helped!~
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