The goal is to get x by itself. All we need to do is work around it.
1. -5x + 2 = 67
2. The reversed operation, or the opposite operation, for addition is subtraction. Thus subtract 2 from 67 and 2. The 2 should cancel itself out. -5x + [2-2=0] = 67 - 2 = 65 -> -5x = 65.
3. The reversed operation, or the opposite operation of multiplication is division. Thus divide 65 and-5 as well as -5 and -5. [-5/-5x = 1x. 1x -> 1 * x = x.] = 65/-5 = -13 -> x = -13.
4. Check your answer by plugging in -13 where x is. Solve with pemdas.
-5(13) + 2 = 67 -> 65 + 2 = 67 -> 67 = 67. Therefore the answer is -13.
A unit rate is a rate with 1 in the denominator. If you have a rate, such as price per some number of items, and the quantity in the denominator is not 1, you can calculate unit rate or price per unit by completing the division operation: numerator divided by denominator.
Answer:
Sides: a = 46 b = 46 c = 49
Step-by-step explanation:
i think
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πr^2 = area
Half the diameter to get the radius
Substitute the values in:
area = 3.142 x (7)^2
area = 153.958 cm^2
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