The problem asks us to solve two equations. The first equation is $-5(a-3) = -2a$ for $a$. The second equation is $\frac{3b}{4} + \frac{b}{2} = 10$ for $b$.

AlgebraLinear EquationsSolving EquationsAlgebraic ManipulationFractions
2025/6/8

1. Problem Description

The problem asks us to solve two equations. The first equation is 5(a3)=2a-5(a-3) = -2a for aa. The second equation is 3b4+b2=10\frac{3b}{4} + \frac{b}{2} = 10 for bb.

2. Solution Steps

First, let's solve the equation 5(a3)=2a-5(a-3) = -2a.
Step 1: Distribute the 5-5 to the terms inside the parentheses.
5a+15=2a-5a + 15 = -2a
Step 2: Add 5a5a to both sides of the equation.
15=2a+5a15 = -2a + 5a
15=3a15 = 3a
Step 3: Divide both sides by

3. $a = \frac{15}{3}$

a=5a = 5
Next, let's solve the equation 3b4+b2=10\frac{3b}{4} + \frac{b}{2} = 10.
Step 1: Find a common denominator for the fractions. The least common denominator for 4 and 2 is

4. Rewrite the equation with the common denominator.

3b4+2b4=10\frac{3b}{4} + \frac{2b}{4} = 10
Step 2: Combine the fractions.
3b+2b4=10\frac{3b + 2b}{4} = 10
5b4=10\frac{5b}{4} = 10
Step 3: Multiply both sides by

4. $5b = 40$

Step 4: Divide both sides by

5. $b = \frac{40}{5}$

b=8b = 8

3. Final Answer

The solutions are:
a=5a = 5
b=8b = 8

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