1. (-3) + 2 - 5 = -6
2. (-2) x 9 x (-5) = 90
3. 4x + 7 + 5x + 8 = 9x + 15
4. 3x - 5 = 7
3x = 12
x = 4
[tex] [/tex]
5. Volume Limas = ⅓ x Luas Alas x Tinggi Limas
= ⅓ x (6 cm x 6 cm) x 10 cm
= ⅓ x 36 cm² x 10 cm
= 120 cm³
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1. (-3) + 2 - 5 = -6
2. (-2) x 9 x (-5) = 90
3. 4x + 7 + 5x + 8 = 9x + 15
4. 3x - 5 = 7
3x = 12
x = 4
[tex] [/tex]
5. Volume Limas = ⅓ x Luas Alas x Tinggi Limas
= ⅓ x (6 cm x 6 cm) x 10 cm
= ⅓ x 36 cm² x 10 cm
= 120 cm³