2(11x-5)-17x=55
22х-10-17х=55
5х=55+10
5х=65
х=65÷5
х=13
5(8x+3)-12=83
40х+15-12=83
40х+3=83
40х=83-3
40х=80
х=80÷40
х=2
7(2x+9)+3x=114
14х+63+3х=114
17х=114-63
17х=51
х=51÷17
х=3
3(4x+13)-25=74
12х+39-25=74
12х+14=74
12х=74-14
12х=60
х=60÷12
х=5
2(11х-5)-17х=55
5х-10=55
--------------
7(2х+9)+3х=114
17х+63=114
3(4х+13)-25=74
----------------
5(8х+3)-12=83
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Answers & Comments
2(11x-5)-17x=55
22х-10-17х=55
5х=55+10
5х=65
х=65÷5
х=13
5(8x+3)-12=83
40х+15-12=83
40х+3=83
40х=83-3
40х=80
х=80÷40
х=2
7(2x+9)+3x=114
14х+63+3х=114
17х=114-63
17х=51
х=51÷17
х=3
3(4x+13)-25=74
12х+39-25=74
12х+14=74
12х=74-14
12х=60
х=60÷12
х=5
2(11х-5)-17х=55
22х-10-17х=55
5х-10=55
5х=55+10
5х=65
х=13
--------------
7(2х+9)+3х=114
14х+63+3х=114
17х+63=114
17х=114-63
17х=51
х=3
--------------
3(4х+13)-25=74
12х+39-25=74
12х+14=74
12х=74-14
12х=60
х=5
----------------
5(8х+3)-12=83
40х+15-12=83
40х+3=83
40х=83-3
40х=80
х=2