5x + (x÷3) = 38.4Which value of x makes the equation true
2 answers:
5x + X/3 = 38.4
or, 5x* 3 + X = 38.4*3
or,. 15x + X. = 115.2
or,. 16 X. = 115.2
or,. X. = 115.2/16
X = 7.2
Answer:
x = 7.2
Step-by-step explanation:
Convert the integer into a fraction:
(15/3 + 1/3)x =38.4
Combine the fractions:
(15/3 + 1 ) x = 38.4
Combine the numerators:
16/3 x = 38.4
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Step-by-step explanation:
Mean of four nos = 85
Score = 85 x 4 = 340
Deduct 97 from 340 = 243
Mean of three nos. 243/3 = 81
Our first expression is equal to zero:
So we simply find the expression that is equal to zero.
The final answer is a.
