hariskhaan12 hariskhaan12

20-12-2019
Mathematics

contestada

if 3x-y=27 and 3x+y=243 what is the value of x?

Respuesta :

elimRsjsksksk elimRsjsksksk

20-12-2019

Answer: 4

Explanation:
Given that 3x−y=27, 3x+y=243
⇒3x−y =33 , 3x+y=35
=> x-y=3, x+y=5
=> x = 4

Answer Link

Otras preguntas

The ratio of the side length of Square A to the side length of Square B is 11:9 the area of Square A is 448 cm^2. What is the perimeter of square B?

1. True or false: A normal lens is 50mm for a 30mm camera. 2. True or false: A neutral density filter creates a shallow focus by reducing the amount of light t

The upper layer of the skin is A. Called the dermis B. Fed by a good supply of blood vessels C. Called the epidermis D. Composed of dense connective tissue.

If you vertically stretch the square root parent function by twelve units, and reflect it across the x-axis, what is the equation of the new function

Why did you think Hammurabi was considered a fair ruler

Does this riddle contour react with itself or not? “With out life there is no death and without death there is no life.”

A disorder characterized by an acute emotional response to a traumatic even is often referred to as

PARKING ARE FOR CUSTOMERS ONLY. ALL OTHER VEHICLES WILL BE TOWED. what wrong is this sentence

President Franklin Roosevelt's judicial reform bill would have allowed him to reject a Supreme Court decision by protesting to Congress. Decide which laws the S

If you take -25 and add -42 what is the amount