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To solve the linear equation , follow these steps:
Let's simplify and solve the given equation:
Step 1: Simplify the expression .
This becomes .
Step 2: Combine like terms.
Combine the terms involving : .
Combine the constants: .
This results in the equation .
Step 3: Isolate .
Add 2 to both sides to eliminate the constant on the left:
.
This simplifies to .
Next, divide both sides by 14 to solve for :
.
Simplify the fraction:.
Therefore, the solution to the equation is .
\( \frac{-y}{5}=-25 \)
You must follow the order of operations! Multiplication comes before addition, so calculate first. Only then can you combine like terms: 12x + 2x.
Like terms have the exact same variable part. Here, 12x and 2x are like terms (both have x). Constants -4 and +2 are also like terms (no variables).
Double-check your arithmetic! Make sure you correctly simplified and combined terms properly. Small calculation errors lead to wrong final answers.
Yes! You could distribute and rearrange terms in different orders, but you'll get the same answer. The key is always following order of operations and combining like terms correctly.
Not all equations have whole number solutions! is perfectly valid. When you substitute it back, you get 7 = 7, confirming it's correct.
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