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2x + 2 = 3 - Algebra - Solve Equation










































2x + 2 = 3

use algebra to solve for the variable "x"

this equation can be solved in just two steps:

step 1 is a subtraction

step 2 is a division

Comments for 2x + 2 = 3 - Algebra - Solve Equation

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Jan 04, 2012
Solve Equation
by: Staff


Question:

2x + 2 = 3


Answer:

2x + 2 = 3


Subtract 2 from each side of the equation

2x + 2 - 2 = 3 - 2

2x + 0 = 3 - 2

2x = 3 - 2

2x = 1


Divide each side of the equation by 2

2x/2 = 1/2

x*(2/2) = ½

x*(1) = ½

x = ½


>>>>>>>>>> The FINAL ANSWER is: x = ½



Check the answer by substituting ½ for x in the original equation:

2x + 2 = 3

2*(½) + 2 = 3

(2/2) + 2 = 3

(1) + 2 = 3

1 + 2 = 3

3 = 3, OK → x = ½ is a VALID solution



Thanks for writing.
Staff

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