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

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


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

Reorder the terms:
7(7 + x) + 3(x + 15) = 145
(7 * 7 + x * 7) + 3(x + 15) = 145
(49 + 7x) + 3(x + 15) = 145

Reorder the terms:
49 + 7x + 3(15 + x) = 145
49 + 7x + (15 * 3 + x * 3) = 145
49 + 7x + (45 + 3x) = 145

Reorder the terms:
49 + 45 + 7x + 3x = 145

Combine like terms: 49 + 45 = 94
94 + 7x + 3x = 145

Combine like terms: 7x + 3x = 10x
94 + 10x = 145

Solving
94 + 10x = 145

Solving for variable 'x'.

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

Add '-94' to each side of the equation.
94 + -94 + 10x = 145 + -94

Combine like terms: 94 + -94 = 0
0 + 10x = 145 + -94
10x = 145 + -94

Combine like terms: 145 + -94 = 51
10x = 51

Divide each side by '10'.
x = 5.1

Simplifying
x = 5.1

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