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melamori03 [73]
2 years ago
7

Solve the system of equations by substitution. 3/8x + 1/3y = 17/24 x + 7y = 8

Mathematics
1 answer:
bixtya [17]2 years ago
3 0
Using the second equation, let’s find x

x + 7y = 8
x = 8 - 7y

Substitute x in the other equation

3/8(8 - 7y) + 1/3y = 17/24
3 - 21/8y + 1/3y = 17/24
-55/24y = -55/24
y = 1

Plug in y in any equation

x + 7(1) = 8
x + 7 = 8
x = 1

x = 1 and y = 1
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