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Lesly Barrera
Mathematics
12 February, 17:09
Substitution - 2x+5y=19 and 3x-4=y
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Emelia Burgess
12 February, 17:21
0
x = 3, y = 5
Step-by-step explanation:
Substitute 3x-4 for y, giving you - 2x+5 (3x-4) = 19
Simplify both sides of the equation for 13x-20=19
Add 20 to both sides for 13x=39
x = 3
Substitute x into 3x-4
3 (3) - 4
9-4
y = 5
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