Solve for x
x = \frac{27}{8} = 3\frac{3}{8} = 3.375
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2\times 4x-7=20
Multiply both sides of the equation by 10, the least common multiple of 5,10.
8x-7=20
Multiply 2 and 4 to get 8.
8x=20+7
Add 7 to both sides.
8x=27
Add 20 and 7 to get 27.
x=\frac{27}{8}
Divide both sides by 8.
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