We will solve it step-wise: Step 1: Substitute the value of b into the second equation. We will get, a + (a + 2) = 4 Step 2: Solve for a a +a + 2 = 4 2a + 2 = 4 2a = 4 – 2 a = 2/2 = 1 Step 3: Substitute
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Use linsolve to solve AX = B for the vector of unknowns X. X = linsolve (A,B) X = 3 1 -5 From X, x = 3, y = 1 and z = -5. Solve System of Linear Equations Using solve Use solve instead of linsolve
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The solution of system of simultaneous linear equation is the ordered pair (x, y) which satisfies both the linear equations. For example, 2 x + 3 y − 7 = 0 and x + 2 y − 4 = 0 is a