Jawaban:
5×4+6×6+7×10+8×X+9×4+10×2/4+6+10+X+4+3
20 + 36 + 70 + 8X + 36 + 20 /27 + X
182 + 8 x / 27 + X
182 + 8 x / 27 + X = 7
182 + 8x = 7 × (27+x)
182 + 8x = 7x + 189
8x - 7x = 189 - 182
x = 7
nilai x adalah 7 (c)
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Jawaban:
5×4+6×6+7×10+8×X+9×4+10×2/4+6+10+X+4+3
20 + 36 + 70 + 8X + 36 + 20 /27 + X
182 + 8 x / 27 + X
182 + 8 x / 27 + X = 7
182 + 8x = 7 × (27+x)
182 + 8x = 7x + 189
8x - 7x = 189 - 182
x = 7
nilai x adalah 7 (c)