-.75(a-3)=7

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Solution for -.75(a-3)=7 equation: 


Simplifying
-0.75(a + -3) = 7

Reorder the terms:
-0.75(-3 + a) = 7
(-3 * -0.75 + a * -0.75) = 7
(2.25 + -0.75a) = 7

Solving
2.25 + -0.75a = 7

Solving for variable 'a'.

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

Add '-2.25' to each side of the equation.
2.25 + -2.25 + -0.75a = 7 + -2.25

Combine like terms: 2.25 + -2.25 = 0.00
0.00 + -0.75a = 7 + -2.25
-0.75a = 7 + -2.25

Combine like terms: 7 + -2.25 = 4.75
-0.75a = 4.75

Divide each side by '-0.75'.
a = -6.333333333

Simplifying
a = -6.333333333

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