Math

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I can't figure any of these problems out any help would be nice peace.
Show all steps used to solve the problem.
1.5n + 6 = -4
3.b/-3+5=7
4.17-x/4=-10
5.If 3a - 9 = 6, what is the value of 4a - 1?
6.

• Math -

#1.

5n + 6 = -4
subtract 6 from both sides
5n+6-6 = -4-6
5n = -10
divided both sides by 5
5n/5 = -10/5
n = -2

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#4
17 - x/4 = -10
multiply both sides by 4
68 - x = -40
subtract 68 from both sides
68-68 - x= -40-68
-x = -108
divide both sides by -1
x = 108

do the rest the same way

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