3(5-x)=4(2+1)

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Solution for 3(5-x)=4(2+1) equation: 


Simplifying
3(5 + -1x) = 4(2 + 1)
(5 * 3 + -1x * 3) = 4(2 + 1)
(15 + -3x) = 4(2 + 1)

Combine like terms: 2 + 1 = 3
15 + -3x = 4(3)

Multiply 4 * 3
15 + -3x = 12

Solving
15 + -3x = 12

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + -3x = 12 + -15

Combine like terms: 15 + -15 = 0
0 + -3x = 12 + -15
-3x = 12 + -15

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

Divide each side by '-3'.
x = 1

Simplifying
x = 1

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