-3(5a-5)=7a+4

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Solution for -3(5a-5)=7a+4 equation:


Simplifying
-3(5a + -5) = 7a + 4

Reorder the terms:
-3(-5 + 5a) = 7a + 4
(-5 * -3 + 5a * -3) = 7a + 4
(15 + -15a) = 7a + 4

Reorder the terms:
15 + -15a = 4 + 7a

Solving
15 + -15a = 4 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
15 + -15a + -7a = 4 + 7a + -7a

Combine like terms: -15a + -7a = -22a
15 + -22a = 4 + 7a + -7a

Combine like terms: 7a + -7a = 0
15 + -22a = 4 + 0
15 + -22a = 4

Add '-15' to each side of the equation.
15 + -15 + -22a = 4 + -15

Combine like terms: 15 + -15 = 0
0 + -22a = 4 + -15
-22a = 4 + -15

Combine like terms: 4 + -15 = -11
-22a = -11

Divide each side by '-22'.
a = 0.5

Simplifying
a = 0.5

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