Question

solve the following equation and check the answer .a) 5z+1/3=7 b) 5x/3+3=x+7
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Answer 1

Step-by-step explanation:

5z+1/3=7 check 5×4/3+1/3

5z=7-1/3 20/3+1/3

5z=(21-1)/3 21/3

5z=20/3 7

z=20/3×1/5

z=4/3

5x/3+3=x+7 check (5×6)/3+3=6+7

5x/3-x=7-3 30/3+3=13

(5x-3x)/3 =4 10+3 =13

2x/3=4 13=13

x=6

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Answer 2

Answer:

5z+1/3=7 check 5×4/3+1/3

5z=7-1/3 20/3+1/3

5z=(21-1)/3 21/3

5z=20/3 7

z=20/3×1/5

z=4/3

5x/3+3=x+7 check (5×6)/3+3=6+7

5x/3-x=7-3 30/3+3=13

(5x-3x)/3 =4 10+3 =13

2x/3=4 13=13

x=6

Step-by-step explanation: