4-0.75(3a+4)=7

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Solution for 4-0.75(3a+4)=7 equation:


Simplifying
4 + -0.75(3a + 4) = 7

Reorder the terms:
4 + -0.75(4 + 3a) = 7
4 + (4 * -0.75 + 3a * -0.75) = 7
4 + (-3 + -2.25a) = 7

Combine like terms: 4 + -3 = 1
1 + -2.25a = 7

Solving
1 + -2.25a = 7

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + -2.25a = 7 + -1

Combine like terms: 1 + -1 = 0
0 + -2.25a = 7 + -1
-2.25a = 7 + -1

Combine like terms: 7 + -1 = 6
-2.25a = 6

Divide each side by '-2.25'.
a = -2.666666667

Simplifying
a = -2.666666667

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