3 years ago

(a) Solve. 3x – 4 = x + 5

Mathematics

1 answer:

exis [7]3 years ago

4 0

Answer:

x = 1/2 or 0.5

Step-by-step explanation:

3x - 4 = x +5 (1) subtract x

2x - 4 = 5 (2) subtract 5

2x + 1 (3) divide by 2

x = 1/2 or 0.5

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So matrix which show equation 4x+2y=4 is $\left[\begin{array}{ccc}4&2&4\\12&-1&26\end{array}\right]$ .

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So in order to write this equation in matrix form we have to write it into augmented matrix

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