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evablogger [386]
3 years ago
13

10-d = -34-5d solve this equation

Mathematics
2 answers:
algol133 years ago
7 0
<h3><u>Explanation</u></h3>
  • Given the equation.

10 - d =  - 34 - 5d

  • Solve the equation for d-term.

Because we cannot subtract or add up constants and variables, we simply move the same variable term to the same side and constant term to the same constant side.

10 + 34 =  - 5d + d \\ 44 =  - 4d \\  \frac{44}{ - 4}  = d \\  - 11 = d

  • Answer Check

Substitute d = -11 in the equation.

10 - ( - 11) =  - 34 - 5( - 11) \\ 10 + 11 =  - 34 + 55 \\ 21 = 21

The equation is true for d = -11.

<h3><u>Answer</u></h3>

<u>\large \boxed{d =  - 11}</u>

Anni [7]3 years ago
3 0

Answer:

d=-11

Step-by-step explanation:

10-d=-34-5d

+5d +5d

10+4d=-34

-10 -10

4d=-44

÷4 ÷4

d=-11

just do the opposite

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