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This is poorly typed, so I will assume you mean "what does 76 * 9 * 9 equal?"
This can be done with a calculator or by hand. (* = multiplied by)
By hand you would simply do long multiplication of 76 * 81 (since you should know that 9 squared is 81)
Note that on each line, everything in bold represents the same number (which equals 5670) and everything in italics represents the same number (which equals 486)
76 * 9 * 9 = 76 * 81
= (70 * 81) + (6 * 81)
= ((70 * 80) + (70 * 1)) + ((6 * 80) + (6 * 1))
= (5600 + 70) + (480 + 6)
= 5670 + 486
= 6156
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-6-6x equals 9-9x what is x equal to?
it's an easy one :)-6 - 6x = 9 - 9x-6x + 9x = 9 + 63x = 15x = 15/3X = 5
How do you solve 6x-4y equals 54 -9x plus 2y equals -69 using substitution?
-9x + 2y = -69 So 2y = 9x - 69 The other equation can be written as 6x - 4y = 54 or 6x - 2*2y = 54 Substituting for 2y gives 6x - 2*(9x - 69) = 54 6x - 18x + 138 = 54 12x = 84 x = 7 and then 2y = 9x - 69 = 9*7 - 69 = 63-69 = -6 so that y = -3
What is 6x plus 3x plus 8 equals 35?
That is an equation.Oh, you wanted to know for which values of x that equation is true? Okay...6x + 3x + 8 = 35⇔ (6x + 3x) + 8 = 35⇔ 9x + 8 = 35⇔ 9x + 8 - 8 = 35 - 8⇔ 9x + 0 = 27⇔ 9x = 27⇔ 9x / 9 = 27 / 9⇔ x = 27 / 9⇔ x = 3
What is 6x X 9x?
6x * 9x = 6 * 9 * x * x = (6*9)*(x*x) = 54*x2
What is 9-x equals 7?
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