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ziro4ka [17]
3 years ago
11

Solve for X X/2+ 7=9 Show your steps and explain why you did them.

Mathematics
2 answers:
Sophie [7]3 years ago
7 0

Answer:

Step-by-step explanation:

Solve for  X

by simplifying both sides of the equation, then isolating the variable.

X = 4 x 2 +7=9

Step 1: Simplify both sides of the equation.

1 2 x+7=9

Step 2: Subtract 7 from both sides.

1 2 x+7−7=9−7

1/2 x=2

Step 3: Multiply both sides by 2.

2*( 1 2 x)=(2)*(2)

x=4

Answer:  4

Gre4nikov [31]3 years ago
6 0

Answer:

X = 4

Step-by-step explanation:

X/2+ 7=9

X/2 = 9-7

X/2 = 2

X = 4

hope it helps!

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Generally Brainly allows you to post only 1 or 2 questions at a time.  I will do #15 as a courtesy to you, but want you to try #16 yourself (or to post it separately).

-4, 2, 8, 14, ...  is an arithm. seq.  Every new term is equal to the previous term, plus 6:  -4+6 = 2; 2+6=8, and so on.  Thus:  first term is a = -4; common difference is d = 6

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