SociallyAwkwardFarax
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A is 4, the each smaller value lines opposite is multiplied by 4.
B is 26, the pattern here is shown in the first two equations. The 2nd equations first value is the sum of the above 3 & 5, whilst the 2nd value is the subtraction, this gives an answer double to the first equation. The 4th equation is half of the sum of the 3rd and half the subtracted value, so you half the value of the 3rd equation and hence the answers 26.
C is 4. The pattern is divide the sum of the values by 2.
B is 26, the pattern here is shown in the first two equations. The 2nd equations first value is the sum of the above 3 & 5, whilst the 2nd value is the subtraction, this gives an answer double to the first equation. The 4th equation is half of the sum of the 3rd and half the subtracted value, so you half the value of the 3rd equation and hence the answers 26.
C is 4. The pattern is divide the sum of the values by 2.