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3 years ago

Solve the following equation: 3x - 5 = 10 + 7x.

Mathematics

1 answer:

umka21 [38]3 years ago

6 0

When solving equations like these, our number one goal is to get x to be alone.

So given the equation lets go through it step by step.

3x - 5 = 10 + 7x (first step is to add 5 to both sides)

+ 5 = + 5 ( Now lets see what we have now)

3x = 15 + 7x ( We need the x to be alone! So lets subtract -7x from both sides.)

-7x = -7x ( now what do we have?)

-4x = 15 (okay divide both sides by 4 to isolate the x)

÷4 = ÷4 (now the 4's on the left side cancel out, and we solve on the right side)

x = 3.75

That's your answer :) Good Luck!

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