dayseez
Answered

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1.5x - 7 + 3x = 20
(please show step by step)​

Sagot :

38571218

Answer:

x = 6

Step-by-step explanation:

1.5x - 7 + 3x = 20

Combine 1.5x and 3x to get 4.5x.

4.5x - 7 = 20

Add 7 to both sides.

4.5x = 20 + 7

Add 20 and 7 to get 27.

4.5x = 27

Divide both sides by 4.5.

x = [tex]\frac{27}{4.5}[/tex]

Expand [tex]\frac{27}{4.5}[/tex] by multiplying both numerator and the denominator by 10.

x = [tex]\frac{270}{45}[/tex]

Divide 270 by 45 to get 6.

x = 6

Hope it helps and have a great day! =D

~sunshine~

Eminemfan

Answer:

x=6

Step-by-step explanation:

1.5x-7+3x=20           step 1 add 1.5x to 3x

4.5x-7=20                step 2 add 7 on both sides

4.5x=27                    step 3 divide 4.5 on both sides

x=6

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