Question

me ayudan con este jercicio
2x-4=10
3x+7=x-15
2(2x-6)=2x+8​

Answer 1

a. 2x-4=10

2x = 10 + 4

2x = 14

x= 14 ÷ 2

x = 7

b. 3x+7=x-15

3x — x = — 15 — 7

2x = 22

x = — 22 ÷ 2

x = —11

c. 2(2x-6)=2x+8

4x — 12 = 2x + 8

4x — 2x = 8 + 12

2x = 20

x = 20 ÷ 2

x = 10