7+4(x-10)=15+9(x-3)

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Solution for 7+4(x-10)=15+9(x-3) equation:


Simplifying
7 + 4(x + -10) = 15 + 9(x + -3)

Reorder the terms:
7 + 4(-10 + x) = 15 + 9(x + -3)
7 + (-10 * 4 + x * 4) = 15 + 9(x + -3)
7 + (-40 + 4x) = 15 + 9(x + -3)

Combine like terms: 7 + -40 = -33
-33 + 4x = 15 + 9(x + -3)

Reorder the terms:
-33 + 4x = 15 + 9(-3 + x)
-33 + 4x = 15 + (-3 * 9 + x * 9)
-33 + 4x = 15 + (-27 + 9x)

Combine like terms: 15 + -27 = -12
-33 + 4x = -12 + 9x

Solving
-33 + 4x = -12 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-33 + 4x + -9x = -12 + 9x + -9x

Combine like terms: 4x + -9x = -5x
-33 + -5x = -12 + 9x + -9x

Combine like terms: 9x + -9x = 0
-33 + -5x = -12 + 0
-33 + -5x = -12

Add '33' to each side of the equation.
-33 + 33 + -5x = -12 + 33

Combine like terms: -33 + 33 = 0
0 + -5x = -12 + 33
-5x = -12 + 33

Combine like terms: -12 + 33 = 21
-5x = 21

Divide each side by '-5'.
x = -4.2

Simplifying
x = -4.2

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