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4 votes
2x+2y=4 and 3x+2y=7 please

User Jmikola
by
8.1k points

2 Answers

5 votes

Answer:

Explanation:

(i)2x+2y=4

We take value of y=
(4-2x)/(2)

2x+2(
(4-2x)/(2))=4

2x +
(8-4x)/(2)=4


(4x+8-4x)/(2) =4 (4x-4x=0)


(8)/(2)=4 -> 4=4=0

2x+2y=4 is 0

(ii)3x+2y=7

y=
(7-3x)/(2)

3x+2(
(7-3x)/(2))=7


(6x+14-6x)/(2)=7


(14)/(2)=7

7=7=0

User Jeanpaul
by
7.9k points
1 vote

Answer:

what is it you need to solve for, y? x?

User Ehynds
by
7.4k points