157-21(x+3)=163-15(2x-5)

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Solution for 157-21(x+3)=163-15(2x-5) equation:


Simplifying
157 + -21(x + 3) = 163 + -15(2x + -5)

Reorder the terms:
157 + -21(3 + x) = 163 + -15(2x + -5)
157 + (3 * -21 + x * -21) = 163 + -15(2x + -5)
157 + (-63 + -21x) = 163 + -15(2x + -5)

Combine like terms: 157 + -63 = 94
94 + -21x = 163 + -15(2x + -5)

Reorder the terms:
94 + -21x = 163 + -15(-5 + 2x)
94 + -21x = 163 + (-5 * -15 + 2x * -15)
94 + -21x = 163 + (75 + -30x)

Combine like terms: 163 + 75 = 238
94 + -21x = 238 + -30x

Solving
94 + -21x = 238 + -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
94 + -21x + 30x = 238 + -30x + 30x

Combine like terms: -21x + 30x = 9x
94 + 9x = 238 + -30x + 30x

Combine like terms: -30x + 30x = 0
94 + 9x = 238 + 0
94 + 9x = 238

Add '-94' to each side of the equation.
94 + -94 + 9x = 238 + -94

Combine like terms: 94 + -94 = 0
0 + 9x = 238 + -94
9x = 238 + -94

Combine like terms: 238 + -94 = 144
9x = 144

Divide each side by '9'.
x = 16

Simplifying
x = 16

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