Math  /  Algebra

Question12v12+20=14\frac{1}{2} v-12+20=14

Studdy Solution

STEP 1

1. The equation 12v12+20=14\frac{1}{2} v - 12 + 20 = 14 is a linear equation in one variable, vv.
2. The goal is to solve for vv.
3. Basic algebraic operations such as addition, subtraction, and multiplication will be used.

STEP 2

1. Simplify the equation.
2. Isolate the variable vv.
3. Check the solution by substituting it back into the original equation.

STEP 3

First, simplify the equation by combining like terms on the left-hand side. Combine 12-12 and +20+20:
12v+8=14\frac{1}{2} v + 8 = 14

STEP 4

Next, isolate the term with the variable vv by subtracting 8 from both sides of the equation:
12v+88=148\frac{1}{2} v + 8 - 8 = 14 - 8
Simplify:
12v=6\frac{1}{2} v = 6

STEP 5

To solve for vv, multiply both sides of the equation by 2 to cancel out the fraction:
2×12v=2×62 \times \frac{1}{2} v = 2 \times 6
Simplify:
v=12v = 12

STEP 6

Check the solution by substituting v=12v = 12 back into the original equation:
12(12)12+20=14\frac{1}{2} (12) - 12 + 20 = 14
Simplify the left-hand side:
612+20=146 - 12 + 20 = 14
Combine the terms:
14=1414 = 14
Both sides are equal, confirming that the solution is correct.
The solution is:
12 \boxed{12}

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