1)2x +5х = 49;
7x=49
x=49÷7
x=7
2)15y - 2y - 2y = 385;
11y=385
y=385÷11
y=35
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1)2x +5х = 49;
7x=49
x=49÷7
x=7
2)15y - 2y - 2y = 385;
11y=385
y=385÷11
y=35