Question

i) 3(x+1)+2(2x-3)=5(x+1)+8
j)2(x+5)-4=26
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Answer 1

Resposta:

i) 3x+3+4x-6=5x-5+8

3x+4x-5x=-5+8-3+6

2x=-8+14

2x=6

x=6/2

x=3

j) 2x + 10 - 4 = 26

2x + 6 = 26

2x = 26 - 6

2x = 20

x = 10