Simplify and solve each of the following equations. a. d + d + 10 = 50 b. 30 – f + 8f = 30 c. –12 = 4e + 23 + e d. 4

Question

Simplify and solve each of the following equations.
a. d + d + 10 = 50
b. 30 – f + 8f = 30
c. –12 = 4e + 23 + e
d. 42 = 32 – 6f – 4f

in progress 0
Amara 2 weeks 2021-09-27T12:11:30+00:00 2 Answers 0

Answers ( )

    0
    2021-09-27T12:12:47+00:00

    Answer:

    a.d=20

    b.f=0

    c.e=-7

    d.f=-1

    Step-by-step explanation:

    A.d+d+10=50

    2d+10=50

    Substrate 10 from both sides

    2d=40

    Divide both sides by 2

    d=20

    B.30-f+8f=30

    30+7f=30

    Substrate both sides by 30

    7f=0

    Divide both sides by 7

    f=0

    C.-12=4e+23+e

    Collect like terms

    -12-23=4e+e

    -35=5e

    Divide both sides by 5

    e=-7

    D.42=32-6f-4f

    Collect like terms

    42-32=-6f-4f

    10=-10f

    Divide both sides by 10

    F=-1

    0
    2021-09-27T12:12:51+00:00

    Answer:

    Step-by-step explanation:

    a) d + d + 10 =50

             2d + 10 = 50

                     2d = 50- 10

                      2d = 40

                         d = 40/2

                         d = 20

    b) 30 – f + 8f = 30

            30 + 7f = 30

                     7f = 30 -30

                      7f = 0

                        f = 0

    c) -12 = 4e + 23 +e

    -12 = 5e + 23

    5e + 23 = -12

             5e = -12 -23

             5e = -35

                e = -35/5

                e = -7

    d)42 = 32 – 6f -4f

      42 = 32 -10f

    32 – 10f = 42

          -10f = 42 -32

           -10f = 10

                f = 10/-10

                f = -1

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