stephanielafea11 stephanielafea11

16-01-2022
Mathematics

contestada

if 10a - 4 = 2a + 12 what is the value of a?

please explain how you can +4 to both sides in the second step, where did the +4 come from?

Respuesta :

hornincampbe04 hornincampbe04

16-01-2022

Answer:

A=3

Step-by-step explanation:

10a-4=2a+12

10a-4+4=2a+12+4

10a=2a+16

10a-2a=2a-2a+16

8a=16

8/8a =16/8

a=2

Answer Link

DanielLee2026 DanielLee2026

16-01-2022

Answer:

a = 2

Step-by-step explanation:

10a - 4 = 2a + 12

-> -2a -2a

-> 8a - 4 = 12

-> + 4 + 4

-> 8a = 16

-> a =2

Answer Link

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