solve by cross multiplication method.2x+5y=-11;4x+10y=-22
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Step-by-step explanation:
By cross multiplication:
-22(2x + 5y) = -11(4x + 10y)
-44x - 110y = -44x - 110y
-44x - 110y + 44x + 110y = 0
0 = 0
LHS = RHS
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