What number goes in the box? 326 - = 116 A 210 B 211 C 209 D 442
1 answer:
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Hi there!
9x - 1 = -11
Add 1 to both sides:
9x -1 + 1 = -11 + 1
9x = -10
Divide both sides by 9:
9x/9 = -10/9
x = -10/9
Hi there!
9x - 1 = -11
Add 1 to both sides:
9x -1 + 1 = -11 + 1
9x = -10
Divide both sides by 9:
9x/9 = -10/9
x = -10/9