Solve the equation for x : 21(x + y) + 5 = 21(-x + y) + 47  Choose the correct choice from the following answers
A) -2	B) -1	C) 0	D) 2	E) 1
1   1   21(x + y) + 5 = 21(-x + y) + 47   21x + 21y + 5 = -21x + 21y + 47   21x + 5 = -21x + 47   42x = 42   =&gt; x = 1
<result>E</result>
Solve the equation for x : 21(x + y) + 5 = 21(-x + y) + 47