Precalculus Examples

$- 27 a^{3} + 9 b - 3 c + d = - 150$ , $- a + b - c + d = - 6$ , $8 a + 4 b + 2 c + d = 15$ , $a + b + c + d = 15$

Step 1

Since there is more than one variable, the equation cannot be formed.

Cannot create equation.