Solution - Linear equations with one unknown
x=-2
Step by Step Solution
Rearrange:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
5*(-2*x-2)-2*x-4-(10)=0
Step by step solution :
Step 1 :
Step 2 :
Pulling out like terms :
2.1 Pull out like factors :
-2x - 2 = -2 • (x + 1)
Equation at the end of step 2 :
((-10 • (x + 1) - 2x) - 4) - 10 = 0
Step 3 :
Step 4 :
Pulling out like terms :
4.1 Pull out like factors :
-12x - 24 = -12 • (x + 2)
Equation at the end of step 4 :
-12 • (x + 2) = 0
Step 5 :
Equations which are never true :
5.1 Solve : -12 = 0
This equation has no solution.
A a non-zero constant never equals zero.
Solving a Single Variable Equation :
5.2 Solve : x+2 = 0
Subtract 2 from both sides of the equation :
x = -2
One solution was found :
x = -2How did we do?
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