if 2x 7 21 what is the value of x

if 2x 7 21 what is the value of x Answer x 14 Explanation Rearrange unknown terms to the left side of the equation 2 x 21 7 Calculate the sum or difference 2 x 28 Divide both sides of the equation by the

2x 7 21 tiger algebra drill 2x 7 21 2x 7 21 One solution was found x 14 Rearrange Rearrange the equation by subtracting what is to the right of the To solve the equation for different variables step by step clear any fractions by multiplying both sides of the equation by the LCM of the denominators Get all the terms with the

if 2x 7 21 what is the value of x

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if 2x 7 21 what is the value of x
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The values of x that satisfy the equation are called solutions of the equation and roots or zeros of the expression on its left hand side A quadratic equation has at most two x 7 21 One solution was found x 14 Rearrange Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation

X b b 2 4 a c 2 a Where b2 4ac is the discriminant of the quadratic equation ax2 bx c 0 and a b and c are coefficients of the quadratic equation Find the x Solution The correct option is B 6 The two ratios in proportion can be written as 2 7 x 21 Multiplying both sides by 21 2 7 21 x 21 21 x 2 3 6 Thus the

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First we need to solve for x in the equation 2x 7 21 Subtracting 7 from both sides we get 2x 28 Dividing both sides by 2 we get x 14 Now that we know x 14 we can The procedure to use the find the value of x calculator is as follows Step 1 Enter the numbers Integer Decimal Number in the multiplicand and the product field Step 2

As an example suppose we solved 2x 3 7 and got x 2 If we want to plug 2 back into the original equation to check our work we can do so 2x 3 7 2 Since the answer is Calculate it Examples 1 2 1 3 1 4 2 3 2 2 x 1 x 2 Simplify Example 2x 2 2y x 5 y 3 Evaluate Example y x 2 1 Graph Example 4x 2 2 x 6 Solve

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if 2x 7 21 what is the value of x - Solution The correct option is B 6 The two ratios in proportion can be written as 2 7 x 21 Multiplying both sides by 21 2 7 21 x 21 21 x 2 3 6 Thus the