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Chapter 2: Q19. (page 110)

Solve each equation. Check your solution. (Lesson 2-4)

z+63=2z4

Short Answer

Expert verified

z=12 is the solution of the given equation.

Step by step solution

01

Step 1. Given equation.

z+63=2z4

02

Step 2. Description of step.

The given equation can be solved as,

z+63=2z4z+63=z2z+6脳2=z脳3鈬�2z+12=3z鈬�3z鈭�2z=12鈬�z=12

03

Step 3. Check solution.

In order to check the solution, put the value of z back in the given equation and see if it satisfies the equation, i.e. of left hand side is equals to right hand side, as:

z+63=2z4鈬�12+63=2124鈬�183=244鈬�6=6鈬�true

Hence, the solutionz=12 satisfies the equation.

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Solve each equation. Check your solution.

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