# math

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1)
x+8y=33
-x+4y=3
I need help solving this one using the elimination method!

• math -

x+8y=33 ---- (1)
-x+4y=3 ---- (2)

(1) + (2),
x + 8y + (-x + 4y) = 33 + 3
12y = 36
y = 3

sub y = 3 into (2),
-x + 4(3) = 3
-x = 3 - 12
-x = -9
x = 9

CHECK: sub x = 9 and y = 3 into (1),
9 + 8(3) = 33

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