Four times a number, subtracted from nine, is twice the number. How do I solved this?
1 answer:
Hey!
Into an equation:
9 - 4x = 2x
adding 4x on both sides
9 = 6x
dividing by 6 on both sides
9 / 6 = x
3 / 2 = x
x = 1.5
Hope helps!
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