3 years ago

-x + 3 = 7 X=-4 X= 7 X= 4 X = -7

Mathematics

1 answer:

vladimir2022 [97]3 years ago

6 0

Answer:

x = -4

Step-by-step explanation:

Step 1: Write equation

-x + 3 = 7

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

Subtract 3 on both sides: -x = 4
Divide both sides by -1: x = -4

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

-(-4) + 3 = 7

4 + 3 = 7

7 = 7

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