Answer:
-2n - 12
Step-by-step explanation:
Combine like terms. Note that each term has one variable (n). Also note that one negative sign and one positive sign results in a negative sign.
-6n + (-12) + 4n = -6n + 4n - 12 = -2n - 12
-2n - 12 is your answer
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This angles are alternate exterior angles,
so they are congruent.
105 =x +112
x= 105 -112
x= - 7
Answer:
x= 35
Step-by-step explanation:
3x-1 +31+45=180
3x+75=180
Subtract 75 on both sides
3x/3 = 105/3
x=35
Hope this helps.