Question

Solve the following and check the answer:
1.) 5z+1/3=7
2.) 5x/3+3=x+7

Answer 1

5x-2x+7 = x+1

3x+7 = x+1

3x-x = 1-7

2x = -6

x = -3

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Answer 2

• 5z + 1 /3 = 7

5z + 1 = 7× 3

5z = 21 -1

z = 20/5 = 4

• .5x /3 + 3 = x + 7

5x/3 - x = 7 - 3

5x - x = 4×3

4x = 12

x = 12/4 = 3

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