Question

What is the value of x in the equation 4(7x + 3) = 19? start fraction one over six end fraction start fraction 31 over 28 end fraction start fraction 28 over 31 end fraction start fraction one over four end fraction

Answer 1

Expand the left hand side to get

$28x+12 = 19$

Subtract 12 from both sides:

$28x = 19-12 = 7$

Divide both sides by 28:

$x = \frac{7}{28} = \frac{1}{4}$