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Mathematics 21 Online
OpenStudy (anonymous):

The steps for solving the equation 2(x + 5) + 3 = 27 are shown below. What property justifies going from Step B to C? A. 2(x + 5) + 3 = 27 B. 2x + 10 + 3 = 27 C. 2x + 13 = 27 D. 2x + 13 − 13 = 27 − 13 E. 2x + 0 = 14 F. 2x = 14 G. x = 7 A. Addition B. Multiplication property of equality C. Substitution D. Subtraction property of equality

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

what did you get

jimthompson5910 (jim_thompson5910):

it might help to notice what changes from B to C

OpenStudy (anonymous):

wouldn't it be addition? by what i see in the problem

OpenStudy (anonymous):

the add 10 and 3

jimthompson5910 (jim_thompson5910):

yes 10+3 gets replaced with 13

jimthompson5910 (jim_thompson5910):

so you could say "combine like terms" or "adding" or something like that

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