4a+3=15-7

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Solution for 4a+3=15-7 equation: 


Simplifying
4a + 3 = 15 + -7

Reorder the terms:
3 + 4a = 15 + -7

Combine like terms: 15 + -7 = 8
3 + 4a = 8

Solving
3 + 4a = 8

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 4a = 8 + -3

Combine like terms: 3 + -3 = 0
0 + 4a = 8 + -3
4a = 8 + -3

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

Divide each side by '4'.
a = 1.25

Simplifying
a = 1.25

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