4a-5=2a-7

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Solution for 4a-5=2a-7 equation:


Simplifying
4a + -5 = 2a + -7

Reorder the terms:
-5 + 4a = 2a + -7

Reorder the terms:
-5 + 4a = -7 + 2a

Solving
-5 + 4a = -7 + 2a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-2a' to each side of the equation.
-5 + 4a + -2a = -7 + 2a + -2a

Combine like terms: 4a + -2a = 2a
-5 + 2a = -7 + 2a + -2a

Combine like terms: 2a + -2a = 0
-5 + 2a = -7 + 0
-5 + 2a = -7

Add '5' to each side of the equation.
-5 + 5 + 2a = -7 + 5

Combine like terms: -5 + 5 = 0
0 + 2a = -7 + 5
2a = -7 + 5

Combine like terms: -7 + 5 = -2
2a = -2

Divide each side by '2'.
a = -1

Simplifying
a = -1

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