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Chapter 4: Q74. (page 174)

Algebra Basics Solve the equation. Check your solution.

(Lessons 2.5, 2.6)

d鈭�10=10

Short Answer

Expert verified

The value of the variable is d=20.

Step by step solution

01

Step 1  . Add 14.

To find the value of variable c in the equation d鈭�10=10d鈭�10=10, add 14 from both sides of the equation.

d鈭�10+(10)=10+(10)

02

Step 2  . Collect like terms.

Remove all the brackets and collect the like terms.

d鈭�10+10=10+10

03

Step 3  . Simplify the equation.

To further simplify, combine the like terms.

d鈭�10+10=10+10d+0=20d=20

04

Step 4  .Verify the value.

In order to verify the value of variable d, substitute 20 for d into the equationd鈭�10=10 .

(20)鈭�10=1010=10True

Hence, the value of the variable is d=20.

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