7a+7-3a=5+8a-4

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Solution for 7a+7-3a=5+8a-4 equation:


Simplifying
7a + 7 + -3a = 5 + 8a + -4

Reorder the terms:
7 + 7a + -3a = 5 + 8a + -4

Combine like terms: 7a + -3a = 4a
7 + 4a = 5 + 8a + -4

Reorder the terms:
7 + 4a = 5 + -4 + 8a

Combine like terms: 5 + -4 = 1
7 + 4a = 1 + 8a

Solving
7 + 4a = 1 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
7 + 4a + -8a = 1 + 8a + -8a

Combine like terms: 4a + -8a = -4a
7 + -4a = 1 + 8a + -8a

Combine like terms: 8a + -8a = 0
7 + -4a = 1 + 0
7 + -4a = 1

Add '-7' to each side of the equation.
7 + -7 + -4a = 1 + -7

Combine like terms: 7 + -7 = 0
0 + -4a = 1 + -7
-4a = 1 + -7

Combine like terms: 1 + -7 = -6
-4a = -6

Divide each side by '-4'.
a = 1.5

Simplifying
a = 1.5

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