8 × 4-6x = 5. 8, and 13 × (x + 5) = 169

2.8×4-6x=5.8
11.2-6x=5.8
6x=11.2-5.8
6x=5.4
x=5.4÷6
x=0.9
13×(x＋5）＝169
x+5=169÷13
x+5=13
x=13-5
x=8

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