3(2x+3)+5(3x-4)=178

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Solution for 3(2x+3)+5(3x-4)=178 equation:


Simplifying
3(2x + 3) + 5(3x + -4) = 178

Reorder the terms:
3(3 + 2x) + 5(3x + -4) = 178
(3 * 3 + 2x * 3) + 5(3x + -4) = 178
(9 + 6x) + 5(3x + -4) = 178

Reorder the terms:
9 + 6x + 5(-4 + 3x) = 178
9 + 6x + (-4 * 5 + 3x * 5) = 178
9 + 6x + (-20 + 15x) = 178

Reorder the terms:
9 + -20 + 6x + 15x = 178

Combine like terms: 9 + -20 = -11
-11 + 6x + 15x = 178

Combine like terms: 6x + 15x = 21x
-11 + 21x = 178

Solving
-11 + 21x = 178

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 21x = 178 + 11

Combine like terms: -11 + 11 = 0
0 + 21x = 178 + 11
21x = 178 + 11

Combine like terms: 178 + 11 = 189
21x = 189

Divide each side by '21'.
x = 9

Simplifying
x = 9

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