5(5+3x)-10x=8 4(5-x)=5x+2

Question

5(5+3x)-10x=8

4(5-x)=5x+2

Answer 1

5 (5+3х)-10х=8
25+15х-10х=8
5х=8-25
5х=-17
х=-17/5=-3,4

4 (5-х)=5х+2
20-4х=5х+2
-4х-5х=2-20
-9х=-18
х=2

Answer 2

5(5+3х)-10х=8
25+15х-10х=8
15х-10х=8-25
5х=17
х=17÷5
х=3,4

4(5-х)=5х+2
20-4х=5х+2
-4х-5х=2-20
-х=-18

Comments

Второе:

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-9х=-18. х=2