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3 years ago

Solve each equation. Show your thinking. a. 5x-10=30 b. 3x+8=21

Mathematics

2 answers:

Ksenya-84 [330]3 years ago

7 0

Add ten from both sides and then divide 40 of 5x its 8
B subtract 8 from both sides 13 divide by 3 answer is 13/3

Kay [80]3 years ago

4 0

Answer:

A) X = 8

B) X = 4.3 or 13/3

Step-by-step explanation:

A) 5x - 10 = 30

(add ten to both sides)

5x = 40

(divide by 5 on both sides)

x = 8

B) 3x + 8 = 21

(subtract 8 to both sides)

3x = 13

(divide by 3 on both sides)

x = 4.3 or 13/3

Hope this helped!

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