3 years ago

4x +5 Write a simplified equivalent expression for the sum of their ages.

Mathematics

2 answers:

beks73 [17]3 years ago

6 0

Step-by-step explanation:

y=4x+5+x

y=5x+5

frozen [14]3 years ago

5 0

Answer:

9x-5 (only when x=2) (age is double of 4)

Step-by-step explanation:

4x+5

4*2 +5 = 13

4x +5x-5 =13

9x-5=13

9*2-5=13

18-5=13

WITH OTHER NUMBERS (x=2)

3x+5

3*2 +5 =11

3*2 +5*2 -5 =11

8*2-5=11 (8x-5)=11

16-5=11

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