7X = 3 × 10 + 9 - 18
7X = 30 + 9 - 18
7X = 39 - 18
7X = 21
X = 21/7
X = 3
diketahui
7x = 3 × 10 + 9 - 18
ditanya
nilai x adalah
jawab
7x = 30 + 9 - 18
7x = 39 - 18
7x = 21
x = 21/7
x = 3
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7X = 3 × 10 + 9 - 18
7X = 30 + 9 - 18
7X = 39 - 18
7X = 21
X = 21/7
X = 3
diketahui
7x = 3 × 10 + 9 - 18
ditanya
nilai x adalah
jawab
7x = 3 × 10 + 9 - 18
7x = 30 + 9 - 18
7x = 39 - 18
7x = 21
x = 21/7
x = 3