Answers

2015-11-26T20:04:22+08:00
X plus 4=3 We didn't find x because the operation is addition.. but the answer is less than the adding number..
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Use additive inverse to isolate x. The answer is x = -1 :-)
2015-11-26T21:40:30+08:00
X+4=3
x+4+(-4)=3+(-4)
cancel the 4 + (-4) is equal to 
x and then add the 3+(-4) is equal (-1)
x= -1 

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