Seudónimo Seudónimo
  • 22-12-2020
  • Mathematics
contestada

Solve the system.
-2x + 1/2y
= 3/2
x - зу
= 2
Find the value of 'x'.

Respuesta :

clarch19
clarch19 clarch19
  • 28-12-2020

Answer:

x = -1

Step-by-step explanation:

i multiplied the first equation by 2 to eliminate the fractions and got:

-4x + y = 3

used substitution method:  y = 3 + 4x

x - 3(3 + 4x) = 2

x - 9 -12x = 2

-11x = 11

x = -1

Answer Link

Otras preguntas

What do biologists studie?
What are all the common factors of 100, 80, and 120??
How ecological succession takes place?
1. Mendeleev's periodic table of elements was organized by A. mass B. atomic number C. number of electrons D. number of protons 2. Compared with
Arrange this 11 scrambled words: Y T E E R M A B A T H Clue: 1: If u love someone , you'll never forget this
Given that D is equidistant to G and F, find GED A. 38 B. 40 C. 41 D. 45
The molar mass of magnesium (Mg) is 24.30 g/mol. There are 6.02 mc022-1.jpg 1023 atoms in 1 mol. How many atoms are present in 48.60 g of Mg
Help!So I figure it's 1975 - 2000 but how can I show that I know this? (If it's correct)
According to the Rational Root Theorem, which function has the same set of potential rational roots as the function g(x) = 3x5 – 2x4 + 9x3 – x2 + 12?
What does tryptophan bind to when it is present in E. coli?