kalumlankaotlqfl kalumlankaotlqfl

01-08-2017
Mathematics

contestada

If (3)x+y = 81 and (81)x-y = 3 find the values of x and y.

Respuesta :

ivana04 ivana04

11-09-2017

you have to isolate the variables meaning you have to do the opposite of multiply 81 you have to divide 3/81: x and y for both sides will be the same thing

Answer Link

Otras preguntas

Find the LCM for 24 and 30 using the cake method

Which number represents the sum of -8 and -i?

what is friendship with example

An insurance company estimates the probability of a flood occurring in an area to be .7%. The average damage of a flood is $75,000. The cost of flood insurance

Choosing a marriage should be based on feeling ?

can someone PLEASEE help me I’m confused and I’ll give 20 points

could someone please give me a step by step explanation for this? this problem is new to me and i dont know which steps to take. it would be much appreciated!!

What were 2 factors that lead to the french revolution

what was mostly traded on the triangular trade a.) crops b.) weapons c.) slaves d.) clothes

The U.S. Supreme Court is the court of last resort for cases appealed from state supreme courts. True False