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Nezavi [6.7K]
2 years ago
12

Find the value of x in the number (2x-15), (x-5), and 148 degrees

Mathematics
1 answer:
Mandarinka [93]2 years ago
3 0

Answer:

Simplifying

2x + -15 + x + -5 = 148

Reorder the terms:

-15 + -5 + 2x + x = 148

Combine like terms: -15 + -5 = -20

-20 + 2x + x = 148

Combine like terms: 2x + x = 3x

-20 + 3x = 148

Solving

-20 + 3x = 148

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '20' to each side of the equation.

-20 + 20 + 3x = 148 + 20

Combine like terms: -20 + 20 = 0

0 + 3x = 148 + 20

3x = 148 + 20

Combine like terms: 148 + 20 = 168

3x = 168

Divide each side by '3'.

x = 56

Simplifying

x = 56

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1. h(2) + g(2) *<br> h(t) = 3-5<br> g(t) = 2t - 5
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Answer:

h(2)+g(2) = -3

Step-by-step explanation:

h(2) +g(2)\\ \\h(t) = 3-5, g(t) = 2t -5

        Replace the variable  (t)  with (

2)  in the expression.

h (2) = 3 - 5

        Replace the variable  (t)  with (

2)  in the expression.

g(2) = 2(2) -5

        Replace the function designators in h(2) +g(2) with the actual functions.

h(t) = 3 - 5 +2 (2) ← plug h(2) into 2(t)

         Remove parentheses.

3 - 5 + 2(2)

         Multiply 2 by 2

3 - 5 + 4 - 5

         Subtract  5  from  3

.

-2 + 4 - 5

          Add -2 and 4

2 - 5

          Subtract 5 from 2

-3

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