7(2x+9)+3x=114
14x+63+3x=114
17x=114-63
17x=51
x=51:17
x=3
-------------------------------------------------
3(4x+13)-25=74
12x+39-25=74
12x=74-39+25
12x=60
x=5
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12х+39-25=74, 12х=60, х=5
7(2x+9)+3x=114
14x+63+3x=114
17x=114-63
17x=51
x=51:17
x=3
-------------------------------------------------
3(4x+13)-25=74
12x+39-25=74
12x=74-39+25
12x=60
x=5