Answers

2014-10-31T15:03:24+08:00
4x-10=18
4(7)-10=18
28-10=18
so the value of x is 7
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2014-10-31T20:36:21+08:00
4x - 10 = 18
add 10 to both sides of the equation
4x - 10 + 10 = 18 +10
4x + 0 = 28
4x = 28
divide both sides with 4
4x/4 = 28/4
x = 7
you can always apply this concept when dealing with linear equations with one variable.
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