Solve for Δ, a, b
b=56
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a=8\times 7
Consider the second equation. Insert the known values of variables into the equation.
a=56
Multiply 8 and 7 to get 56.
b=56
Consider the third equation. Insert the known values of variables into the equation.
\Delta =7 a=56 b=56
The system is now solved.
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