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Answers
Answer:
To solve the given linear equation, 4x - 2 = 18, begin by adding 2 to both sides of the equation in order to begin isolating the variable x on one side, in this case the left side, as follows:
4x - 2 = 18 (Given)
4x - 2 + 2 = 18 + 2
4x + 0 = 20
4x = 20
Now, divide both sides of the equation by 4 in order to isolate x on the left side, thus finally solving the equation for x as follows:
(4x)/4 = 20/4
(4/4)x = 20/4
(1)x = 5
x = 5
CHECK (ALWAYS PERFORM THIS STEP AND DO SO BACK IN THE ORIGINAL, GIVEN EQUATION!):
4x - 2 = 18
4(5) - 2 = 18
20 - 2 = 18
18 = 18
Therefore, x = 5 is indeed the solution to the given equation.
REMEMBER: For solving equations, WHATEVER YOU DO TO ONE SIDE OF THE EQUATION, YOU MUST DO TO THE OTHER SIDE.
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Answer:
x=4
4x = x = 6
Step-by-step explanation:
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