SuarezMelissa4 SuarezMelissa4

22-09-2016
Mathematics

contestada

7x+2y=11
-2x+3y=29
How do you solve this problem?

Respuesta :

WaveyBunnie WaveyBunnie

22-09-2016

you subsitute 11-2y/7 when you do that you get -2 11-2y/7 +3y=29: y=9 isolate y -2 11-2y/ +3y=29 y=9
x= 11-2 . 9/7 x= -1
Y=9 X=-1

Answer Link

Carlos2323 Carlos2323

22-09-2016

X=1 y=2 for the first one

Answer Link

Otras preguntas

Find 3 consecutive numbers where the product of the smaller two numbers in 19 less than the square of the largest number?

Write an inequality for the given statement: Two-thirds of a number, decreased by 4, is less than 6.

Revenue of 2000. Labor cost of 320.What is labor cost as percentage of revenue

If 10 men can complete a piece of work in 30 days how many men are requiredto complete the same job in 25 days?

What is kirchoff s law???

How do I find the "Greatest Common Factor" of 7z^11, −56z^9, 63z^8?I think it is "7", but cannot figure out the variable exponent...HELP!!!

Alfred is practicing typing. The first time he tested himself, he could type 23 words per minute. After practicing for a week, he could type 26 words per minute

i have a few problems on combining like terms please help:1) 12r-8-122) n-10+9n-3 3) -4x-10x4) -r-10r

factor completely 16x^2 + 24x + 9

Simplify by factoring. Assume that no radicands were formed by raising negative numbers to even powers. two questions below that i need help on[tex] \sqrt{148}