12x+3(x-19)=40x+7

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Solution for 12x+3(x-19)=40x+7 equation:


Simplifying
12x + 3(x + -19) = 40x + 7

Reorder the terms:
12x + 3(-19 + x) = 40x + 7
12x + (-19 * 3 + x * 3) = 40x + 7
12x + (-57 + 3x) = 40x + 7

Reorder the terms:
-57 + 12x + 3x = 40x + 7

Combine like terms: 12x + 3x = 15x
-57 + 15x = 40x + 7

Reorder the terms:
-57 + 15x = 7 + 40x

Solving
-57 + 15x = 7 + 40x

Solving for variable 'x'.

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

Add '-40x' to each side of the equation.
-57 + 15x + -40x = 7 + 40x + -40x

Combine like terms: 15x + -40x = -25x
-57 + -25x = 7 + 40x + -40x

Combine like terms: 40x + -40x = 0
-57 + -25x = 7 + 0
-57 + -25x = 7

Add '57' to each side of the equation.
-57 + 57 + -25x = 7 + 57

Combine like terms: -57 + 57 = 0
0 + -25x = 7 + 57
-25x = 7 + 57

Combine like terms: 7 + 57 = 64
-25x = 64

Divide each side by '-25'.
x = -2.56

Simplifying
x = -2.56

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