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Jerry Gilmore
Mathematics
15 May, 10:03
How do you solve
-3 (1+6r) = 14-r
+1
Answers (
1
)
Skylar Blanchard
15 May, 10:14
0
r = (-1)
Step-by-step explanation:
Firstly simplify the brackets,
; - 3 (1 + 6r) = - 3 - 18r
then substitute on the bracket with the simplified form,
; - 3 - 18r = 14 - r
then move the values with (r) to one side and the other ones without (r) to the other side
; - 3 - 14 = 18r - r
; - 17 = 17r
then divide both sides by 17,
; - 1 = r
Hence ... r = - 1
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