Solve the following equation and verify your answer: a) 3/4x + 4x = 7/8+6x - 6
Answers
Step-by-step explanation:
(3/4)x+4x=(7/8)+6x-6
[(3/4)+4-6)x=(7/8)-6
[(19/4)-6]x=(7-48)/8
[(19-24)/4]x= -41/8
(-5/4)x= -41/8
x=(41/8)*(4/5)
x=41/10
Answer:
3/4x + 4x = 7/8 + 6x – 6
Let us rearrange the equation
3/4x + 4x – 6x = 7/8 – 6
By taking 4 and 8 as LCM
(3x + 16x – 24x)/4 = (7 – 48)/8
-5x/4 = -41/8
By cross-multiplying
-5x(8) = -41(4)
-40x = -164
x = -164/-40
= 82/20
= 41/10
Let us verify the given equation now,
3/4x + 4x = 7/8 + 6x – 6
By substituting the value of ‘x’ we get,
(3/4)(41/10) + 4(41/10) = 7/8 + 6(41/10) – 6
123/40 + 164/10 = 7/8 + 246/10 – 6
(123 + 656)/40 = (70 + 1968 – 480)/80
779/40 = 1558/80
779/40 = 779/40
Hence, the given equation is verified.
Step-by-step explanation:
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