7x+3(4x+15)=178

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Solution for 7x+3(4x+15)=178 equation:


Simplifying
7x + 3(4x + 15) = 178

Reorder the terms:
7x + 3(15 + 4x) = 178
7x + (15 * 3 + 4x * 3) = 178
7x + (45 + 12x) = 178

Reorder the terms:
45 + 7x + 12x = 178

Combine like terms: 7x + 12x = 19x
45 + 19x = 178

Solving
45 + 19x = 178

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 19x = 178 + -45

Combine like terms: 45 + -45 = 0
0 + 19x = 178 + -45
19x = 178 + -45

Combine like terms: 178 + -45 = 133
19x = 133

Divide each side by '19'.
x = 7

Simplifying
x = 7

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