3 years ago

Solve the equation3x +5 = 20Pls

Mathematics

2 answers:

GREYUIT [131]3 years ago

7 0

Answer:

x = 5.

Step-by-step explanation:

3x +5 = 20

Subtract 5 from both sides:

3x + 5 - 5 = 20 - 5

3x = 15

Divide both sides by 3:

x = 15/3

x = 5.

Tasya [4]3 years ago

3 0

Answer:

Step-by-step explanation:

$3x+5=20\qquad\text{subtract 5 from both sides}\\\\3x+5-5=20-5\\\\3x=15\qquad\text{divide both sides by 3}\\\\\dfrac{3x}{3}=\dfrac{15}{3}\\\\x=5$

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