4(a-1)=-10(9-5)

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Solution for 4(a-1)=-10(9-5) equation:


Simplifying
4(a + -1) = -10(9 + -5)

Reorder the terms:
4(-1 + a) = -10(9 + -5)
(-1 * 4 + a * 4) = -10(9 + -5)
(-4 + 4a) = -10(9 + -5)

Combine like terms: 9 + -5 = 4
-4 + 4a = -10(4)

Multiply -10 * 4
-4 + 4a = -40

Solving
-4 + 4a = -40

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 4a = -40 + 4

Combine like terms: -4 + 4 = 0
0 + 4a = -40 + 4
4a = -40 + 4

Combine like terms: -40 + 4 = -36
4a = -36

Divide each side by '4'.
a = -9

Simplifying
a = -9

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