Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$E=(-1,1),(-2,2),(-3,3),(-4,4),(-5,5)$$

Answer

E=-1,1,-2,2,-3,3,-4,4,-5,5

Solution


Remove parentheses.
\[E=\pm 1,\pm 2,\pm 3,\pm 4,\pm 5\]
Already solved. No work needed.
\[E=\pm 1,\pm 2,\pm 3,\pm 4,\pm 5\]
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