4a-5=7a-7

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


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

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

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

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

Solving for variable 'a'.

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

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

Combine like terms: 4a + -7a = -3a
-5 + -3a = -7 + 7a + -7a

Combine like terms: 7a + -7a = 0
-5 + -3a = -7 + 0
-5 + -3a = -7

Add '5' to each side of the equation.
-5 + 5 + -3a = -7 + 5

Combine like terms: -5 + 5 = 0
0 + -3a = -7 + 5
-3a = -7 + 5

Combine like terms: -7 + 5 = -2
-3a = -2

Divide each side by '-3'.
a = 0.6666666667

Simplifying
a = 0.6666666667

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