1/4(2x - 14) = 4
Divide by 1/4. (dividing by a fraction = multiplying by its reciprocal, so ÷1/4 = ×4)
2x - 14 = 16
Add 14 to each side.
2x = 30
Divide by 2.
x = 15
The values of a and b are 4 & 6
68.5. You take 62 and divide it by the percentage as a decimal, .905. 62 / .905 = 68.5.
14a^2bc^4/21abc^6 = 2a/3b^2
