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2 years ago

X+2y=9 and x=2y+1helppppppppppppppppp meeeeereeer

Mathematics

2 answers:

Anastasy [175]2 years ago

6 0

Answer:

(5, 2)

Step-by-step explanation:

Given system:

x + 2y = 9
x = 2y + 1

Solve for y by substitution:

(2y + 1) + 2y = 9
4y + 1 = 9
4y = 8
y = 2

Find the value of x:

x = 2*2 + 1
x = 5

skelet666 [1.2K]2 years ago

5 0

Answer: y = 2

Step-by-step explanation:

we need to use systems of equations, basically since we know what x equals, we plug that into first equation so:

since x=2y+1,

we can say that:

(2y+1)+2y=9

then we solve this equation,

first we expand the brackets- 2y+1+2y=9,

then we combine like terms- 4y+1=9

then we take 1 away from both sides- 4y=8

then we divided both sides by 4

y=2

Hope this helps xx

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Read 2 more answers

X+2y=9 and x=2y+1helppppppppppppppppp meeeeereeer​

X+2y=9 and x=2y+1helppppppppppppppppp meeeeereeer