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21-12-2019
Mathematics

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VERY URGENT, PLEASE HELP WITH ALGEBRA 1 MATH !!!!!!

please look attachment

VERY URGENT PLEASE HELP WITH ALGEBRA 1 MATH please look attachment class=

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Polyblock Polyblock

21-12-2019

Answer:

x = 6

Step-by-step explanation:

y = -x - 4

3x + y = 8

Substitute the y with -x - 4

3x - x - 4 = 8

Combine the terms

2x - 4 = 8

Move the constant to the other side

2x - 4 = 8

+4 +4

2x = 12

Divide both sides by 2

2x/2 = 12/2

x = 6

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