3(a-5)+4(a-25)=4

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Solution for 3(a-5)+4(a-25)=4 equation:


Simplifying
3(a + -5) + 4(a + -25) = 4

Reorder the terms:
3(-5 + a) + 4(a + -25) = 4
(-5 * 3 + a * 3) + 4(a + -25) = 4
(-15 + 3a) + 4(a + -25) = 4

Reorder the terms:
-15 + 3a + 4(-25 + a) = 4
-15 + 3a + (-25 * 4 + a * 4) = 4
-15 + 3a + (-100 + 4a) = 4

Reorder the terms:
-15 + -100 + 3a + 4a = 4

Combine like terms: -15 + -100 = -115
-115 + 3a + 4a = 4

Combine like terms: 3a + 4a = 7a
-115 + 7a = 4

Solving
-115 + 7a = 4

Solving for variable 'a'.

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

Add '115' to each side of the equation.
-115 + 115 + 7a = 4 + 115

Combine like terms: -115 + 115 = 0
0 + 7a = 4 + 115
7a = 4 + 115

Combine like terms: 4 + 115 = 119
7a = 119

Divide each side by '7'.
a = 17

Simplifying
a = 17

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