2 answers:
Answer:multiply both numbers in the parenthesis by the number outside:
2n+4 +10=4n+20
add all like terms
2n+14=4n+20
subtract both sides by 14 and 4
2n-4n = 20 - 14
add or subtract like terms
-2n = 6
divide both sides by -2
n = -3
Step-by-step explanation:
Answer:
n= -7
Step-by-step explanation:
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Answer:
52
Step-by-step explanation:
4^2=4×4=16
6^2=6×6=36
16+36=52
Answer:
None.
Step-by-step explanation:
1 - 4 + 121
= -3 + 121
= 118
121 + 1 - 41
= 122 - 41
= 81
141 - 121
= 20
1 - 21 - 1 - 41
= -20 - 1 - 41
= -21 - 41
= -62
None of the expressions have a value of -2.
Answer:
(1,-2) edge2020
Step-by-step explanation:
Answer:
l+m = 180°{being co-interior angle}
Step-by-step explanation:
Answer:
-4+7h
Step-by-step explanation:
