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2 votes
What is the value of x in the following equation? 15- x = 78

-93
93
5.2
-63
63

User Timo
by
7.6k points

2 Answers

3 votes

Final answer:

To find the value of x, we simplify the equation by subtracting the right side from the left side. Then we isolate x by subtracting 15 from both sides of the equation. The value of x is 94103.2.

Step-by-step explanation:

To find the value of x in the equation 15 - x = 78 - 93935.2 - 6363, we can simplify the right side of the equation.

78 - 93935.2 - 6363 = -94088.2.

So now the equation becomes 15 - x = -94088.2. To find x, we can subtract 15 from both sides to isolate x:

x = 15 - (-94088.2) = 15 + 94088.2 = 94103.2.

User Charanor
by
8.3k points
5 votes

Answer:

x = -63

Step-by-step explanation:

To solve for
\sf x in the equation
\sf 15 - x = 78, we can isolate
\sf x by performing the necessary operations.

Subtract 15 from both sides of the equation:


\sf 15 - x - 15 = 78 - 15

This simplifies to:


\sf -x = 63

Multiply both sides by -1 to solve for
\sf x:


\sf (-1) \cdot (-x) = (-1) \cdot 63

This simplifies to:


\sf x = -63

So, the value of
\sf x in the given equation is
\sf -63.

User Florian Gl
by
7.4k points