3 years ago

5x + 7 = 42, Is x = 7 the solution for this equation? Justify your answer for it is or it is not

Mathematics

2 answers:

Doss [256]3 years ago

7 0

Answer:

7 is a solution.

Step-by-step explanation:

Step 1: Write equation

5x + 7 = 42

Step 2: Solve for <em>x</em>

Subtract 7 on both sides: 5x = 35
Divide both sides by 5: x =7

tigry1 [53]3 years ago

7 0

Answer:

Step-by-step explanation:

5x + 7 = 42

5x = 42 - 7

x = 35 / 5

x = 7

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