hg042802 hg042802

15-03-2017
Mathematics

contestada

Solve for x. 3(x + 2) + 4(x - 5) = 10

Respuesta :

19-03-2017

3 (x + 2) + 4(x - 5) = 10

Simplify.

3x + 6 + 4x - 20 = 10

Add like terms.

(3x+4x) + (6-20) = 10

Simplify.

7x - 14 = 10

Add 14 to both sides of the equation.

7x = 24

Divide both sides by 7 so that X is by itself.

x = 24/7, or 3 3/7

~Hope I helped!~

Answer Link

Otras preguntas

Elmer bought 4 pens for $1.96. What was the cost of each pen? Let p= the cost of each pen

Transfers wave in a string is 15 Milli per second if a source produces where of frequency 6 hurts calculate wavelength

Darnell’s car used 8 gallons of gasoline to travel 340 miles. After a mechanic worked on the car, it used 7 gallons of gasoline to travel 350 miles. If the pric

describe how water moves from the soil into xylem of root hairs

State the number of possible positive and negative real zeros of the function f(x)=2x^5+4x^4+9x^3+18x^2-35x-70

Which theory examines how information quality impacts computer-mediated communication? a) Social Cognitive Theory b) Information Processing Theory c) Media Ric

You are dispatched for a patient who called 911 after what was reported to be a fall from a ladder. On your arrival, the patient admits to having been injured d

Which of the following is solid, liquid or gas that transports sound

Calculate the decay constant, in s ^ - 1 of sodium-24, which has a half-life of 15 h.

What does this prefix typically mean: "upward, excessive, or again"? 1) Re- 2) Ex- 3) Up- 4) Over-