4+3(9-x)=7(3+x)

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Solution for 4+3(9-x)=7(3+x) equation:


Simplifying
4 + 3(9 + -1x) = 7(3 + x)
4 + (9 * 3 + -1x * 3) = 7(3 + x)
4 + (27 + -3x) = 7(3 + x)

Combine like terms: 4 + 27 = 31
31 + -3x = 7(3 + x)
31 + -3x = (3 * 7 + x * 7)
31 + -3x = (21 + 7x)

Solving
31 + -3x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
31 + -3x + -7x = 21 + 7x + -7x

Combine like terms: -3x + -7x = -10x
31 + -10x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
31 + -10x = 21 + 0
31 + -10x = 21

Add '-31' to each side of the equation.
31 + -31 + -10x = 21 + -31

Combine like terms: 31 + -31 = 0
0 + -10x = 21 + -31
-10x = 21 + -31

Combine like terms: 21 + -31 = -10
-10x = -10

Divide each side by '-10'.
x = 1

Simplifying
x = 1

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