Two number lines with intersect form a cartesian coordinate system if
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Answer:
see below
Step-by-step explanation:
The two terms 9 and -10 can be combined to give -1.
The two terms 2x and -18x can be combined to give -16x.
Fully simplified, the expression would be ...
-16x +14y -1
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Anything with different coefficients is not equivalent. Anything with only one pair of terms combined is "not fully simplified."
