210 = 6(201-x)
solve for x
Just a couple more steps and you would have had it.
If I were solving it for the answer, I'd combine some steps in my head, but here I'll spell them out.
Start with 210 = 6(201 – x)
Multiply it out 210 = 1206 – 6x
Add 6x both sides 6x + 210 = 1206
Subtract 210 both sides 6x = 996
Divide both sides by 6 x = 166
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