-7b+8a
a=4,b=7
You asked:
Solve the system of equations:\[\begin{aligned}-\left( 7 b \right) + 8 a \cdot a &= 4\\b &= 7\end{aligned}\]
MathBot Answer:
The system of equations has \(2\) solutions.
\[a = - \frac{\sqrt{106}}{4}, b = 7\]\[a = \frac{\sqrt{106}}{4}, b = 7\]