7(10+x)-(4-x)=48

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Solution for 7(10+x)-(4-x)=48 equation:


Simplifying
7(10 + x) + -1(4 + -1x) = 48
(10 * 7 + x * 7) + -1(4 + -1x) = 48
(70 + 7x) + -1(4 + -1x) = 48
70 + 7x + (4 * -1 + -1x * -1) = 48
70 + 7x + (-4 + 1x) = 48

Reorder the terms:
70 + -4 + 7x + 1x = 48

Combine like terms: 70 + -4 = 66
66 + 7x + 1x = 48

Combine like terms: 7x + 1x = 8x
66 + 8x = 48

Solving
66 + 8x = 48

Solving for variable 'x'.

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

Add '-66' to each side of the equation.
66 + -66 + 8x = 48 + -66

Combine like terms: 66 + -66 = 0
0 + 8x = 48 + -66
8x = 48 + -66

Combine like terms: 48 + -66 = -18
8x = -18

Divide each side by '8'.
x = -2.25

Simplifying
x = -2.25

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