X^2 + x + 1 + 3x^2 + 3x + 2. Just combine the like terms:
x^2 + 3x^2 + x + 3x + 1 + 2
4x^2 + 4x + 3. <--- the sum.
First, we group together the terms with variables in one side by subtracting 3/2 x and 5 from both sides of the equation.
(2/3)x - (3/2)x + 5 - 5 = (3/2)x - (3/2)x - 5
(-5/6)x = -5
The value of x from the equation is 6.
The simplified form of the equation is
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Equation; 
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We have to determine</h3>
The simplified form of the equation;
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To determine the simplified form of the equation following all the steps given below.
Equation; 
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To simplify the equation multiple the terms and solve.</h3>
Then,
The simplified form of the equation is,

Hence, The simplified form of the equation is
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