Question回
To solve the equation below, what is the correct first step?
$10 x+7-10 x=15$
Simplify the left side by combining the $10 x$ and $-10 x$ . Subtract 10x from both sides of the equation. Simplify by combining the 7 and 15 . Divide both sides by $10 x$ .

Studdy Solution

STEP 1

1. We are given the equation $10x + 7 - 10x = 15$ .
2. We need to determine the correct first step to simplify or solve the equation.

STEP 2

1. Identify like terms on one side of the equation.
2. Simplify the equation by combining like terms.

STEP 3

Identify like terms on the left side of the equation. The terms $10x$ and $-10x$ are like terms because they both contain the variable $x$ .

STEP 4

Simplify the left side by combining the like terms $10x$ and $-10x$ .
$10x - 10x + 7 = 15$
This simplifies to:
$0 + 7 = 15$ $7 = 15$
The correct first step is: Simplify the left side by combining the $10x$ and $-10x$ .

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