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3 years ago

7x + 5 = 3x - 15solve for x

Mathematics

2 answers:

jek_recluse [69]3 years ago

6 0

Answer:

7x+5=3x-15 x=-5

Step-by-step explanation:

Subtract from both sides

7x+5-5=3x-15-5

{Simplify}

7x=3x-20

{Subtract}{3x from both sides}

7x-3x=3x-20-3x

{Simplify}

4x=-20

Divide both sides by 4

4x over 4= -20 over 4

{Simplify}

x=-5

Digiron [165]3 years ago

4 0

7x +5 = 3x -15

4x = -20

x = -5

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7x + 5 = 3x - 15solve for x​

7x + 5 = 3x - 15solve for x