Answer:
No, it equals 6x-18. The Parentheses are not needed because there is an addition sign because they both are positive. You just add regularly so 2x+4x=6x and -6-12=-18. The result is 6x-18
Answer:
The answer would be A
Step-by-step explanation:
consider the following image
Answer:
r>6
Step-by-step explanation:
5(6+3r) +7>127
30+15r+7>127
37+15r>127
15r>127-37
15r>90
r=6