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1. Solve for x: x/12 + 15 = 648 x= 2.Solve for x: −4(1.75 + x) = 18 x= 3.Solve for x: 6x - 9 = 42 x=__

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1. Solve for x: x/12 + 15 = 648 x=__ 2.Solve for x: −4(1.75 + x) = 18 x=__ 3.Solve for x: 6x - 9 = 42 x=__

asked Feb 7, 2022 82.6k views

15 votes

1. Solve for x: x/12 + 15 = 648

x=__
2.Solve for x: −4(1.75 + x) = 18
x=__
3.Solve for x: 6x - 9 = 42
x=__

Mathematics
middle-school

Somer asked

by Somer

8.5k points

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2 Answers

7 votes

Answer:

1. x = 7596

2. x = -6.25

3. x = 8.5

hope this helps:)

Jialin answered Feb 8, 2022

by Jialin

7.4k points

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3 votes

Answer:

$1)(x)/(12) +15=648\\\\(x)/(12)=648-15\\\\(x)/(12)=633\\\\x=633*12\\\\x=7596$

$2) -4(1.75+x)=18\\\\-7-4x=18\\\\-4x=18+7\\\\-4x=25\\\\x=-(25)/(4)$

$3)6x-9=42\\\\6x=42+9\\\\6x=51\\\\x=(51)/(6)$

Rasclatt answered Feb 11, 2022

by Rasclatt

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1. Solve for x: x/12 + 15 = 648 x=__ 2.Solve for x: −4(1.75 + x) = 18 x=__ 3.Solve for x: 6x - 9 = 42 x=__

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1. Solve for x: x/12 + 15 = 648 x= 2.Solve for x: −4(1.75 + x) = 18 x= 3.Solve for x: 6x - 9 = 42 x=__