6x + 8 = 20
Subtract 8 from both sides: 6x = 12
Divide both sides by 6: x = 2
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The quadratic expression x2+6x+8 when factorised equals (x+2)(x+4)
6x = 32 - 4y and 4y - 8 = 6x so 32 - 4y = 4y - 8 ie 40 = 8y so y = 5 and x = 2
It is 8
X equals to 8
8+6x = ? 8+6*5 = ? 8+30 = ?