briiiiiiiii88 briiiiiiiii88

25-01-2017
Mathematics

contestada

what is 4x+2y=5y+7 8x+3y=41 using addition method

Respuesta :

texaschic101 texaschic101

25-01-2017

4x + 2y = 5y + 7
4x - 3y = 7

4x - 3y = 7
8x + 3y = 41
----------------add
12x = 48
x = 48/12
x = 4

8x + 3y = 41
8(4) + 3y = 41
32 + 3y = 41
3y = 41 - 32
3y = 9
y = 9/3
y = 3

solution is (4,3)

Answer Link

Otras preguntas

A friend of mine gave me this when I met up with him today. He doesn't know what it is and neither do I. I need answers.

what is -87 = 1 + 8x?

Prove that the angle bisectors of the base angles of the isosceles triangle are congruent by one of the following rules: AAA ASA/SAA Cannot be Determined SSS

I’ll make u the brainliest if right

Which of these expressions have negative values? Select all that apply.2 + 2(-3)(7)-2(27÷9)+4(14÷-2)(-6)(4 - 10) -(8 ÷ (-2))

true or false2. The nose has cilia that trap dust, pollen, and other foreign matter.

f(x)= x-5x+6 x=2x=3

The blue jays that like to eat bread off our porch, were chased away by our cat.

who is the chair of a congressional committee

is 3 divisible by 2 3 4 5 6 9 10