What is the answer to (a+a-2)/3 =(1+a-1)/2 ?

The answer to (a+a-2)/3 =(1+a-1)/2 is a=4

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(a+a-2)/3 =(1+a-1)/2

\frac{a + a - 2}{3} = \frac{1 + a - 1}{2}

a = 4

Solution steps

\frac{a + a - 2}{3} = \frac{1 + a - 1}{2}

Apply fraction cross multiply: if

\frac{a}{b} = \frac{c}{d}

then

a \cdot d = b \cdot c

(a + a - 2) \cdot 2 = 3 (1 + a - 1)

Simplify

2 (2 a - 2) = 3 a

Expand

2 (2 a - 2) : 4 a - 4

4 a - 4 = 3 a

Move

4

to the right side

4 a = 3 a + 4

Move

3 a

to the left side

a = 4

y - 0.18 y = 69.7

11 = 1.01 x + 2.02

3 a + 2 = 14, a

x, - 3 x y + 3 x + y = 0

x, y^{1} + x y + x \cdot y^{3} = 0

What is the answer to (a+a-2)/3 =(1+a-1)/2 ?
The answer to (a+a-2)/3 =(1+a-1)/2 is a=4
Solve for a: (a+a-2)/3 =(1+a-1)/2
The solution is a=4