Question

Selesaikan setiap persamaan liner yang berikut. 1. x+5=2x-1 = 2. 3x. +8=7x-2=

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Answer 1

1. x+5=2x-1

=> 5+1 = 2x - x

=> 6 = x

2. 3x+8=7x-2

=> 8+2 = 7x - 3x

=> 10 = 4x

=> 10/4 = x

=> 2.5 = x