7a-4(d-3)=23

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Solution for 7a-4(d-3)=23 equation:


Simplifying
7a + -4(d + -3) = 23

Reorder the terms:
7a + -4(-3 + d) = 23
7a + (-3 * -4 + d * -4) = 23
7a + (12 + -4d) = 23

Reorder the terms:
12 + 7a + -4d = 23

Solving
12 + 7a + -4d = 23

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + 7a + -12 + -4d = 23 + -12

Reorder the terms:
12 + -12 + 7a + -4d = 23 + -12

Combine like terms: 12 + -12 = 0
0 + 7a + -4d = 23 + -12
7a + -4d = 23 + -12

Combine like terms: 23 + -12 = 11
7a + -4d = 11

Add '4d' to each side of the equation.
7a + -4d + 4d = 11 + 4d

Combine like terms: -4d + 4d = 0
7a + 0 = 11 + 4d
7a = 11 + 4d

Divide each side by '7'.
a = 1.571428571 + 0.5714285714d

Simplifying
a = 1.571428571 + 0.5714285714d

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