Subjects>Math>Math & Arithmetic

0.1x plus 0.9y equals -7.4 0.8x-0.4y equals 9.2?

Anonymous

∙ 15y ago

Updated: 9/18/2023

0.1x + 0.9y = -7.4

multiply throughout by 8: 0.8x + 7.2y = -59.2

Subtract second equation from this: 7.6y = -68.4 so that y = -9

Substitute this value of y in the first equation: 0.1x - 8.1 = -7.4

so that 0.1x = 0.7 or x = 7

Solution: (x,y) = (7,-9)

Wiki User

∙ 15y ago

What else can I help you with?

Continue Learning about Math & Arithmetic

Authors that begin with the letter I?

vsgsggdgsdgdgri;fio;h;i giug;iuegf iugifugjhbicbieug,jchvlyu yuglevbfluylileiefowEY' 09Y'] -308] -038 R-083 -0[e0]=a-08]-0I][ -0]u8hro8ihwb.;ioi[OH[;'9Y;O;; oi;ioehr'0ojhglo kb;lohroiolwkh;loqh olh/lihlihli kj ohgk ueh geiuhrg;oihoirgn5 injv4ijuoi 'otir] rg earpg erg rgo ri[rkipor akerg [er gkar g4rpogjpo5jionvj.ioj ohoigh a;erogih;rih I IHOhoihohhHIH:IUHiuhiuhIuhHIiuhgb h origho iohrgoher ioj orijeporijperhjose ihrg erih gg er g er srejgprkgs[er rjg ae[rkge[ n er;go serpo erpogj nrpgoie'irk gpkrpjm' glj r'g rgj j er j;og j9gk 0 [0rjg 0 [r0o0rg sr gj er[pgk[er gk []=r ge/lrkj EJR RKL GJ:LER 0.0 >.< 0.-

Trending Questions

What do you call the angles that are both adjacent and supplementary? How many vertex in cone have? What is the degree of bending your whole entire leg? How much does the most expensive acre of land cost? Is considered a significant digit when it is to the right of the decimal point it follows a non-zero digit or when it is between two digits? What is a cauchy sequence? How many milligrams are there in 48 grams? How many milligrams is in 8 grams? What is an example of a cubed number? 1 kilo grams is equal to how many square metere? What is the greatest possible area of a rectangle having a perimeter of 14 meters? How do you write 11 in word form? What is 29.99 plus tax? How many cm are 41 inches? Who formulate the inverse of ohm? What is the divisible of 5? What is use of 3.14 in circle? The period number for argon horizontal? What is 1 over 11 in a decimal? Who was Edmund Hey?

0.1x plus 0.9y equals -7.4 0.8x-0.4y equals 9.2?

What else can I help you with?

Authors that begin with the letter I?

Resources

Top Categories

Product

Company