Solution - Linear equations with one unknown
x=1/27=0.037
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 :
3^2*x*(81)-(27)=0
Step by step solution :
Step 1 :
Equation at the end of step 1 :
((32 • x) • 81) - 27 = 0
Step 2 :
Multiplying exponents :
2.1 32 multiplied by 34 = 3(2 + 4) = 36
Equation at the end of step 2 :
36x - 27 = 0
Step 3 :
Step 4 :
Pulling out like terms :
4.1 Pull out like factors :
729x - 27 = 27 • (27x - 1)
Equation at the end of step 4 :
27 • (27x - 1) = 0
Step 5 :
Equations which are never true :
5.1 Solve : 27 = 0
This equation has no solution.
A a non-zero constant never equals zero.
Solving a Single Variable Equation :
5.2 Solve : 27x-1 = 0
Add 1 to both sides of the equation :
27x = 1
Divide both sides of the equation by 27:
x = 1/27 = 0.037
One solution was found :
x = 1/27 = 0.037How did we do?
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