Question

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Answer 1

183-x=3*12
183-x=36
x=183-36
x=147

70*y=250+150+230
70*y=630
y=630/70
y=9

Answer 2

183-х=3×12
180-х=36
-х=36-180
х=144.
70×у=250+150+230
70×у=630
у=630÷70
у=9.