7x+3(4x-10)=122

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Solution for 7x+3(4x-10)=122 equation:


Simplifying
7x + 3(4x + -10) = 122

Reorder the terms:
7x + 3(-10 + 4x) = 122
7x + (-10 * 3 + 4x * 3) = 122
7x + (-30 + 12x) = 122

Reorder the terms:
-30 + 7x + 12x = 122

Combine like terms: 7x + 12x = 19x
-30 + 19x = 122

Solving
-30 + 19x = 122

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 19x = 122 + 30

Combine like terms: -30 + 30 = 0
0 + 19x = 122 + 30
19x = 122 + 30

Combine like terms: 122 + 30 = 152
19x = 152

Divide each side by '19'.
x = 8

Simplifying
x = 8

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