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Sagot :
5a + (67 - a) + 76 = a
5a - a + 67 + 76 = a
4a + 143 = a
143 = -3a
a = -47 2/3 = -47.66667
Also, 2 + 2 = 4
5a - a + 67 + 76 = a
4a + 143 = a
143 = -3a
a = -47 2/3 = -47.66667
Also, 2 + 2 = 4
5a + (67-a)+ 76 = a
Open up the parenthesis
5a + 67 - a + 76 = a
Rearrange the terms
5a - a + 76 + 76 = a
Add like terms
4a + 143 = a
Subtract a on both sides
4a - a + 143 = 0
Simplify
3a + 143 = 0
Subtract 143 on both sides
3a = -143
Divide 3 on both sides
a = 47.6666666667
And for your second question, 2 + 2 = 4
Open up the parenthesis
5a + 67 - a + 76 = a
Rearrange the terms
5a - a + 76 + 76 = a
Add like terms
4a + 143 = a
Subtract a on both sides
4a - a + 143 = 0
Simplify
3a + 143 = 0
Subtract 143 on both sides
3a = -143
Divide 3 on both sides
a = 47.6666666667
And for your second question, 2 + 2 = 4
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