The value of y using the substitution method is 6.
There are two given equations:
3x + 4y = 36 equation 1
2x - y = 2 equation 2
In order to use the substitution method, make y the subject of the formula in equation 24
2x - 2 = y
Substitute for y in equation 1
3x + 4(2x -2) = 36
3x + 8x - 8 = 36
Combine similar terms
11x = 36 + 8
11x = 44
Divide both sides by 11
x = 4
Substitute for x in equation 2
2(4) - y = 2
8 - y = 2
y = 6
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