Math Problem Statement
answer all with complete solution
answer all with complete solution
Solution
Let's solve each problem step-by-step.
Problem 1
To solve for , divide both sides by 5: Answer:
Problem 2
To solve for , divide both sides by -3: Answer:
Problem 3
- Move to the left side by subtracting from both sides:
- Subtract 15 from both sides:
- Divide by 7: Answer:
Problem 4
- Expand both sides:
- Move to the left side by subtracting from both sides:
- Add 5 to both sides:
- Divide by 2: Answer:
Problem 5
- Expand both sides:
- Move to the left side by subtracting from both sides:
- Subtract 42 from both sides:
- Divide by 8: Answer:
Problem 6
[ 32 - [4 + 6x - 5(x + 4)] = 4(3x + 4) - [6(3x - 4) + 7 - 4x] ]
- Start by expanding within the brackets on both sides.
For the left side: [
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Distributive Property
Combining Like Terms
Formulas
Basic linear equation manipulation: ax + b = c
Distributive property: a(b + c) = ab + ac
Theorems
-
Suitable Grade Level
Grades 8-10