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2x-3y=123x+4y =22elemination method |
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Answer» Step-by-step explanation: 2x-3y=12----1 6x-9y=36----(MULTIPLYING THROUGHOUT by 3)----- 2 3x+4y=22-----3 6x+8y=44----(multiplying throughout by 2)----4 subtracting equ4 from equ2 6x-9y=36 - 6x+8y=44 ----------------- -y = -8 y=8 substituting y=8 in equ 1 2x - 3×8 = 12 2x - 24= 12 2x = 12 + 24 2x = 36 x = 36 ÷ 2 x = 18 (18,8) is the solution for the given simultaneous EQUATIONS. |
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