Solve the following simultaneous equations: (a) 3x-10y = 6 2x + 7y = 45
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Answer:
x=12,y=3
Step-by-step explanation:
3x-10y = 6 *2 ---------->6x-20y=12
2x + 7y = 45 *3 ---------->6x+21y=135
(-) ----------------
-41y=-123
y=3
apply y in equation 1
3x-30=6
3x=36
x=12
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