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Help me please asap :D

asked Aug 13, 2019 121k views

5 votes

Help me please asap :D

Help me please asap :D-example-1

Mathematics
middle-school

by Saliha

7.8k points

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1 Answer

4 votes

(a)
3x + 30 + x - 5 + 35 = 180
4x + 60 = 180
4x + 60(-60) = 180(-60)
4x = 120
4x/4 = 120/4
x = 30

(b)
x - 5
(30) - 5
25
3x + 30
3(30) + 30
90 + 30
120

Dominic Rodger answered Aug 18, 2019

by Dominic Rodger

7.5k points

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