1 Habit for Women Action Takers: Life Changing Habits from the Happiest Achieving Women on the Plane

1 Habit for Women Action Takers: Life Changing Habits from the Happiest Achieving Women on the Plane

Matematika tolong bantu kak buat besok dengan caranya​

tolong bantu kak buat besok dengan caranya​

Jawaban:

1. 3x+2

• jika x=10

= 3(10)+2

=30+2

=22

• jika x=-7

= 3(-7)+2

= -21+2

=-19

2. -5x+2

• jika x=5

=-5(5)+2

=-25+2

=-23

• jika x=-4

=-5(-4)+2

=20+2

=22

3. 2a+3b-4c

• jika a=7, b=-4, c=5

=2(7)+3(-4)-4(5)

=14-12-20

=-18

• jika a=7, b=-3, c=-2

=2(7)+3(-3)-4(-2)

=14-9+8

=13

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