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OpenStudy (anonymous):
Solve x + 7 = 13. A. –6 B. 20 C. –20 D. 6
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OpenStudy (anonymous):
B
Nnesha (nnesha):
nice try are you trying to be good at elimination process ? good for SAT and ACT test :=)
Nnesha (nnesha):
how did you get b ?
OpenStudy (anonymous):
ohh hold on one sec
OpenStudy (anonymous):
DDDDDD
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Nnesha (nnesha):
how ?
Nnesha (nnesha):
there is one step what s that?
OpenStudy (anonymous):
ok @Nnesha what is it adding 7+13 to get B or replacing X with a number to get 13 its that simple to explain.
Nnesha (nnesha):
how would you cancel 7 from left side ?would you add 7 both sides ? and yes simple to explain :=)
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