Page 92 - aljaber

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Equations

[Linear Equations] (.)

3x = 2 .

(variable) . x = 3x xy = 15 5x 2 + x = 5

yx (unknown)

3 (constant) .
5x 2 5
. 15 5 2

x (coefficient) 3x

. x2

. 5 3x 2y 3

.3 2x 3 − 3x 2 + 5 = 0 .

( )

2x = 5 .1

x 2y = 2 . x + y + 2z = 0 2x − y = 3
4x + 2y = 6 x 2 + 2y = 1
(solution)

WY