Fractions and Decimals

Discrete Mathematics

Differential Equations

Solved on Jan 09, 2024

Find the value of $x$ that satisfies the equation $x-12=-4$ .

STEP 1

Assumptions
1. We are given a linear equation in one variable, $x$ .
2. The equation is $x - 12 = -4$ .
3. We need to solve for $x$ .

STEP 2

To solve for $x$ , we need to isolate $x$ on one side of the equation. We can do this by adding $12$ to both sides of the equation to cancel out the $-12$ on the left side.
$x - 12 + 12 = -4 + 12$

STEP 3

Perform the addition on both sides of the equation.
$x = -4 + 12$

STEP 4

Calculate the sum on the right side of the equation.
$x = 8$

STEP 5

We have found the value of $x$ . The solution to the equation $x - 12 = -4$ is $x = 8$ .
The correct answer is D. $x=8$ .

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