type an intriguer or a simplified fraction this is a liner equation
5 * 2 z - 5 * 1 - 4 * z - 4 * 9 = 4 * z + 4 * 1 10 z - 5 - 4 z - 36 = 4 z + 4 6 z - 41 = 4 z + 4 Subtract 4 z to both sides 6 z - 41 - 4 z = 4 z + 4 - 4 z 2 z - 41 = 4 Add 41 to both sides 2 z - 41 + 41 = 4 + 41 2 z = 45
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