4a+7=-90

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Solution for 4a+7=-90 equation: 


Simplifying
4a + 7 = -90

Reorder the terms:
7 + 4a = -90

Solving
7 + 4a = -90

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + 4a = -90 + -7

Combine like terms: 7 + -7 = 0
0 + 4a = -90 + -7
4a = -90 + -7

Combine like terms: -90 + -7 = -97
4a = -97

Divide each side by '4'.
a = -24.25

Simplifying
a = -24.25

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