It is an equation and the value of x is 8
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5x+1=20 5x=20-1 5x=19 5x/5=19/5 x=19/5
5x + 2 = 22 5x = 22 - 2 5x = 20 5x/5 = 20/5 x=4
-4 5x + 2 = -18 0x + -2 = -2 ---------------- 5x + 0 = -20 5x / 5 = -20/5 x = -4
5x plus 3 does equal 3 plus 5x; commutative law.
10x - 18 = 5x + 2 Add -5x + 18 to both sides of the equation, to get: 5x = 20, from which x = 4.