Math Problem Statement

2x +3 + 5x = -18

Solution

Let's solve the equation step by step:

Given equation:
2x+3+5x=−182x + 3 + 5x = -18

Step 1: Combine like terms

The terms with xx are 2x2x and 5x5x.

2x+5x=7x2x + 5x = 7x

So, the equation becomes: 7x+3=−187x + 3 = -18

Step 2: Isolate the variable term

Subtract 3 from both sides of the equation:

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations

Formulas

Combining like terms
Isolating the variable

Theorems

Properties of equality (addition, subtraction)

Suitable Grade Level

Grades 6-8

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