76-(7x+10)=7(x+3)+x

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Solution for 76-(7x+10)=7(x+3)+x equation:


Simplifying
76 + -1(7x + 10) = 7(x + 3) + x

Reorder the terms:
76 + -1(10 + 7x) = 7(x + 3) + x
76 + (10 * -1 + 7x * -1) = 7(x + 3) + x
76 + (-10 + -7x) = 7(x + 3) + x

Combine like terms: 76 + -10 = 66
66 + -7x = 7(x + 3) + x

Reorder the terms:
66 + -7x = 7(3 + x) + x
66 + -7x = (3 * 7 + x * 7) + x
66 + -7x = (21 + 7x) + x

Combine like terms: 7x + x = 8x
66 + -7x = 21 + 8x

Solving
66 + -7x = 21 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
66 + -7x + -8x = 21 + 8x + -8x

Combine like terms: -7x + -8x = -15x
66 + -15x = 21 + 8x + -8x

Combine like terms: 8x + -8x = 0
66 + -15x = 21 + 0
66 + -15x = 21

Add '-66' to each side of the equation.
66 + -66 + -15x = 21 + -66

Combine like terms: 66 + -66 = 0
0 + -15x = 21 + -66
-15x = 21 + -66

Combine like terms: 21 + -66 = -45
-15x = -45

Divide each side by '-15'.
x = 3

Simplifying
x = 3

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