(7x+15)+(12x-3)=145

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Solution for (7x+15)+(12x-3)=145 equation:


Simplifying
(7x + 15) + (12x + -3) = 145

Reorder the terms:
(15 + 7x) + (12x + -3) = 145

Remove parenthesis around (15 + 7x)
15 + 7x + (12x + -3) = 145

Reorder the terms:
15 + 7x + (-3 + 12x) = 145

Remove parenthesis around (-3 + 12x)
15 + 7x + -3 + 12x = 145

Reorder the terms:
15 + -3 + 7x + 12x = 145

Combine like terms: 15 + -3 = 12
12 + 7x + 12x = 145

Combine like terms: 7x + 12x = 19x
12 + 19x = 145

Solving
12 + 19x = 145

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 19x = 145 + -12

Combine like terms: 12 + -12 = 0
0 + 19x = 145 + -12
19x = 145 + -12

Combine like terms: 145 + -12 = 133
19x = 133

Divide each side by '19'.
x = 7

Simplifying
x = 7

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